{"id":5761,"date":"2026-02-24T06:39:06","date_gmt":"2026-02-24T06:39:06","guid":{"rendered":"https:\/\/shincofab.com\/?p=5761"},"modified":"2026-02-24T06:39:08","modified_gmt":"2026-02-24T06:39:08","slug":"steel-melting-points","status":"publish","type":"post","link":"https:\/\/shincofab.com\/ja\/steel-melting-points\/","title":{"rendered":"\u92fc\u9244\u306e\u878d\u70b9\uff1a\u6eb6\u63a5\u5de5\u3068\u52a0\u5de5\u5de5\u306e\u305f\u3081\u306e\u7a76\u6975\u306e\u30ac\u30a4\u30c9"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/shincofab.com\/wp-content\/uploads\/2026\/02\/steel-welding-1024x576.jpg\" alt=\"\u30b9\u30c1\u30fc\u30eb\u6eb6\u63a5\" class=\"wp-image-5763\" srcset=\"https:\/\/shincofab.com\/wp-content\/uploads\/2026\/02\/steel-welding-1024x576.jpg 1024w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/02\/steel-welding-300x169.jpg 300w, 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class=\"wp-block-paragraph\">\u88cf\u5ead\u306e\u935b\u51b6\u5834\u306b\u706b\u3092\u5165\u308c\u308b\u306b\u305b\u3088\u3001\u6eb6\u63a5\u6a5f\u306b\u30c0\u30a4\u30e4\u30eb\u3092\u5408\u308f\u305b\u308b\u306b\u305b\u3088\u3001\u3042\u308b\u3044\u306f\u81ea\u52d5\u8eca\u306e\u30a8\u30f3\u30b8\u30f3\u3092\u6db2\u5316\u3055\u305b\u308b\u306e\u306b\u3069\u308c\u304f\u3089\u3044\u306e\u9ad8\u6e29\u306e\u706b\u304c\u5fc5\u8981\u306a\u306e\u304b\u77e5\u308a\u305f\u3044\u306b\u305b\u3088\u3001\u6570\u5b57\u3092\u77e5\u3063\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3057\u304b\u3057\u3001\u3053\u3053\u304b\u3089\u304c\u5384\u4ecb\u306a\u3068\u3053\u308d\u3060\uff1a\u9244\u306e\u878d\u70b9\u306f1\u3064\u3067\u306f\u306a\u3044\u306e\u3060\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9244\u306f\u3055\u307e\u3056\u307e\u306a\u6210\u5206\u306e\u6df7\u5408\u7269\u3067\u3042\u308b\u305f\u3081\u3001\u878d\u70b9\u3092\u5c0b\u306d\u308b\u306e\u306f\u30b1\u30fc\u30ad\u3092\u713c\u304f\u6642\u9593\u3092\u5c0b\u306d\u308b\u3088\u3046\u306a\u3082\u306e\u3060\u3002\u305d\u308c\u306f\u30ec\u30b7\u30d4\u306b\u3088\u308b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u3089\u306e\u6570\u5024\u3092\u9593\u9055\u3048\u308b\u3068\u3001\u6eb6\u63a5\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u7a74\u3092\u958b\u3051\u3066\u3057\u307e\u3063\u305f\u308a\u3001\u71b1\u304f\u306a\u308b\u3068\u5d29\u58ca\u3059\u308b\u69cb\u9020\u7269\u3092\u4f5c\u3063\u3066\u3057\u307e\u3046\u304b\u3082\u3057\u308c\u306a\u3044\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u30ac\u30a4\u30c9\u3067\u306f\u3001\u8907\u96d1\u306a\u5316\u5b66\u306e\u8b1b\u7fa9\u306f\u7701\u7565\u3059\u308b\u3002\u6700\u3082\u4e00\u822c\u7684\u306a\u7a2e\u985e\u306e\u92fc\u9244\u306e\u6b63\u78ba\u306a\u6e29\u5ea6\u7bc4\u56f2\u3092\u793a\u3057\u3001\u305d\u308c\u3089\u304c\u5909\u5316\u3059\u308b\u7406\u7531\u3092\u8aac\u660e\u3057\u3001\u8272\u3092\u898b\u305f\u3060\u3051\u3067\u71b1\u3092\u5224\u65ad\u3059\u308b\u65b9\u6cd5\u3092\u7d39\u4ecb\u3059\u308b\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\ud83d\udca1 <strong>\u5de5\u5834\u306e\u8996\u70b9<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">ShincoFab\u3067\u6bce\u65e5\u677f\u91d1\u3092\u6271\u3063\u3066\u3044\u308b\u30de\u30cd\u30fc\u30b8\u30e3\u30fc\u3068\u3057\u3066\u3001\u6eb6\u63a5\u5ba4\u306b\u3044\u306a\u3044\u9650\u308a\u3001\u9244\u304c\u6db2\u3060\u307e\u308a\u306b\u306a\u308b\u3053\u3068\u3092\u5fc3\u914d\u3059\u308b\u3053\u3068\u306f\u901a\u5e38\u306a\u3044\u3002\u79c1\u305f\u3061\u306e\u5de5\u5834\u3067\u306f\u3001\u878d\u70b9\u3092\u77e5\u308b\u3053\u3068\u306f\u5358\u306a\u308b\u96d1\u5b66\u3067\u306f\u306a\u3044\u3002\u878d\u70b9\u3092\u77e5\u308b\u3053\u3068\u3067\u3001\u30d5\u30a1\u30a4\u30d0\u30fc\u30fb\u30ec\u30fc\u30b6\u30fc\u30fb\u30ab\u30c3\u30bf\u30fc\u306e\u30d1\u30ef\u30fc\u3092\u3069\u306e\u3088\u3046\u306b\u8a2d\u5b9a\u3057\u3001\u7d44\u307f\u7acb\u3066\u6642\u306e\u71b1\u6b6a\u307f\u3092\u3069\u306e\u3088\u3046\u306b\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3059\u308b\u304b\u304c\u6c7a\u307e\u308b\u306e\u3060\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7279\u5b9a\u306e\u30b0\u30ec\u30fc\u30c9\u306e\u71b1\u7279\u6027\u3092\u898b\u8aa4\u308b\u3068\u3001\u5358\u306b\u6eb6\u63a5\u4e0d\u826f\u3092\u8d77\u3053\u3059\u3060\u3051\u3067\u306a\u304f\u3001\u9ad8\u4fa1\u306a\u9867\u5ba2\u306e\u90e8\u54c1\u3092\u53f0\u7121\u3057\u306b\u3057\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u305d\u3053\u3067\u3001\u79d1\u5b66\u7684\u306a\u8aac\u660e\u3092\u3059\u308b\u4e00\u65b9\u3067\u3001\u3053\u308c\u3089\u306e\u6570\u5024\u304c\u5b9f\u969b\u306b\u5de5\u5834\u73fe\u5834\u3067\u3069\u306e\u3088\u3046\u306b\u4f5c\u7528\u3057\u3066\u3044\u308b\u306e\u304b\u3092\u5171\u6709\u3057\u3088\u3046\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u3055\u3063\u305d\u304f\u6570\u5b57\u3092\u898b\u3066\u307f\u3088\u3046\u3002<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_81 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div 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href=\"https:\/\/shincofab.com\/ja\/steel-melting-points\/#Cheat_Sheet_Melting_Points_by_Grade\" >\u30c1\u30fc\u30c8\u30b7\u30fc\u30c8\u30b0\u30ec\u30fc\u30c9\u5225\u878d\u70b9<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/shincofab.com\/ja\/steel-melting-points\/#Why_Does_the_Melting_Point_Change\" >\u878d\u70b9\u306f\u306a\u305c\u5909\u308f\u308b\u306e\u304b\uff1f<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/shincofab.com\/ja\/steel-melting-points\/#The_Role_of_Carbon_The_%E2%80%9CSalt_on_Ice%E2%80%9D_Effect\" >\u70ad\u7d20\u306e\u5f79\u5272\uff1a\"\u6c37\u4e0a\u306e\u5869 \"\u52b9\u679c<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/shincofab.com\/ja\/steel-melting-points\/#Other_Ingredients\" 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href=\"https:\/\/shincofab.com\/ja\/steel-melting-points\/#Safety_and_Fire_Resistance\" >\u5b89\u5168\u6027\u3068\u8010\u706b\u6027<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/shincofab.com\/ja\/steel-melting-points\/#Melting_vs_Failing_A_Critical_Warning\" >\u878d\u89e3\u3068\u6545\u969c\uff1a\u91cd\u5927\u306a\u8b66\u544a<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/shincofab.com\/ja\/steel-melting-points\/#Losing_Strength_Before_Melting\" >\u6eb6\u3051\u308b\u524d\u306b\u529b\u3092\u5931\u3046<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/shincofab.com\/ja\/steel-melting-points\/#Structural_Integrity_in_High_Heat\" >\u9ad8\u71b1\u4e0b\u306b\u304a\u3051\u308b\u69cb\u9020\u306e\u5b8c\u5168\u6027<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/shincofab.com\/ja\/steel-melting-points\/#Can_You_Melt_Steel_at_Home_The_DIY_Reality\" >\u5bb6\u5ead\u3067\u9244\u3092\u6eb6\u304b\u3059\u3053\u3068\u306f\u53ef\u80fd\u304b\uff1f(DIY\u306e\u73fe\u5b9f\uff09<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/shincofab.com\/ja\/steel-melting-points\/#Propane_Forges_vs_Charcoal\" >\u30d7\u30ed\u30d1\u30f3\u85aa\u3068\u70ad\u306e\u6bd4\u8f03<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/shincofab.com\/ja\/steel-melting-points\/#Softening_vs_Liquefying\" >\u30bd\u30d5\u30c8\u5316\u3068\u6db2\u5316\u306e\u6bd4\u8f03<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/shincofab.com\/ja\/steel-melting-points\/#Judging_Temperature_by_Color_Without_a_Thermometer\" >\u8272\u3067\u6e29\u5ea6\u3092\u5224\u65ad\u3059\u308b\uff08\u6e29\u5ea6\u8a08\u306a\u3057\uff09<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/shincofab.com\/ja\/steel-melting-points\/#The_Incandescence_Scale\" >\u767d\u71b1\u30b9\u30b1\u30fc\u30eb<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/shincofab.com\/ja\/steel-melting-points\/#Blacksmiths_Color_Guide\" >\u935b\u51b6\u5c4b\u306e\u30ab\u30e9\u30fc\u30ac\u30a4\u30c9<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/shincofab.com\/ja\/steel-melting-points\/#What_Happens_to_Steel_After_It_Melts_Recyclability\" >\u6eb6\u3051\u305f\u9244\u306f\u3069\u3046\u306a\u308b\u306e\u304b\uff08\u30ea\u30b5\u30a4\u30af\u30eb\u6027\uff09<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/shincofab.com\/ja\/steel-melting-points\/#Infinite_Recycling\" >\u7121\u9650\u30ea\u30b5\u30a4\u30af\u30eb<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/shincofab.com\/ja\/steel-melting-points\/#Upcycling_vs_Downcycling\" >\u30a2\u30c3\u30d7\u30b5\u30a4\u30af\u30eb\u3068\u30c0\u30a6\u30f3\u30b5\u30a4\u30af\u30eb\u306e\u6bd4\u8f03<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/shincofab.com\/ja\/steel-melting-points\/#How_is_Steel_Melted_Industrially\" >\u92fc\u9244\u306f\u5de5\u696d\u7684\u306b\u3069\u306e\u3088\u3046\u306b\u6eb6\u304b\u3055\u308c\u308b\u306e\u304b\uff1f<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-32\" href=\"https:\/\/shincofab.com\/ja\/steel-melting-points\/#Electric_Arc_Furnaces\" >\u96fb\u6c17\u30a2\u30fc\u30af\u7089<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-33\" href=\"https:\/\/shincofab.com\/ja\/steel-melting-points\/#Induction_Furnaces\" >\u8a98\u5c0e\u7089<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-34\" href=\"https:\/\/shincofab.com\/ja\/steel-melting-points\/#Conclusion\" >\u7d50\u8ad6<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\" id=\"h-what-is-the-melting-point-of-steel\"><span class=\"ez-toc-section\" id=\"What_is_the_Melting_Point_of_Steel\"><\/span>\u92fc\u9244\u306e\u878d\u70b9\u306f\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u304a\u6025\u304e\u3067\u6570\u5b57\u304c\u5fc5\u8981\u306a\u65b9\u306f\u3001\u3053\u3061\u3089\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u4e00\u822c\u7684\u306b\u3001\u92fc\u306e\u6eb6\u878d\u6e29\u5ea6\u306f2,500\u00b0F\u304b\u30892,800\u00b0F\uff081,370\u00b0C\u304b\u30891,540\u00b0C\uff09\u3067\u3042\u308b\u3002<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u306f\u706b\u5c71\u306e\u6eb6\u5ca9\u3088\u308a\u3082\u9ad8\u6e29\u3060\u3002\u6eb6\u5ca9\u306f\u901a\u5e38\u30012,200\u00b0F\u524d\u5f8c\u3067\u6d41\u308c\u308b\u3002\u92fc\u9244\u304c\u6db2\u4f53\u306e\u6c34\u305f\u307e\u308a\u306b\u306a\u308b\u306b\u306f\u3001\u76f8\u5f53\u306a\u71b1\u3092\u5fc5\u8981\u3068\u3059\u308b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-why-there-is-no-single-number\"><span class=\"ez-toc-section\" id=\"Why_There_Is_No_Single_Number\"><\/span>\u306a\u305c\u30b7\u30f3\u30b0\u30eb\u30ca\u30f3\u30d0\u30fc\u306f\u5b58\u5728\u3057\u306a\u3044\u306e\u304b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u306a\u305c\u305d\u3093\u306a\u306b\u5e45\u304c\u3042\u308b\u306e\u304b\u4e0d\u601d\u8b70\u306b\u601d\u3046\u304b\u3082\u3057\u308c\u306a\u3044\u3002300\u5ea6\u306e\u5dee\u306f\u5927\u304d\u3044\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7406\u7531\u306f\u7c21\u5358\u3060\uff1a <strong>\u9244\u306f\u7d14\u7c8b\u306a\u5143\u7d20\u3067\u306f\u306a\u3044\u3002<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7d14\u91d1\u3092\u6eb6\u304b\u3059\u3068\u3001\u5e38\u306b\u6b63\u78ba\u306b1,948\u00b0F\u3067\u6eb6\u3051\u308b\u3002\u3057\u304b\u3057\u3001\u92fc\u306f\u5408\u91d1\u3067\u3042\u308b\u3002\u30b9\u30fc\u30d7\u306e\u934b\u306e\u3088\u3046\u306a\u3082\u306e\u3060\u3068\u601d\u3063\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30d6\u30ed\u30b9\u3060\uff1a<\/strong> \u4e3b\u6210\u5206\u306f\u9244\u3067\u3042\u308b\u3002<\/li>\n\n\n\n<li><strong>\u30b9\u30d1\u30a4\u30b9\u3060\uff1a<\/strong> \u70ad\u7d20\u3001\u30af\u30ed\u30e0\u3001\u30de\u30f3\u30ac\u30f3\u3001\u30cb\u30c3\u30b1\u30eb\u3068\u3044\u3063\u305f \"\u6210\u5206 \"\u3092\u52a0\u3048\u308b\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u30ec\u30b7\u30d4\u3092\u5909\u3048\u308b\u305f\u3073\u306b\u878d\u70b9\u3082\u5909\u308f\u308b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u5e38\u3001\u70ad\u7d20\u3092\u5897\u3084\u3059\u3068\u6eb6\u878d\u6e29\u5ea6\u304c\u4e0b\u304c\u308b\u3002\u30af\u30ed\u30e0\u3092\u52a0\u3048\u308b\u3068\uff08\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u3088\u3046\u306b\uff09\u307e\u305f\u6e29\u5ea6\u304c\u5909\u308f\u308b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3060\u304b\u3089\u3001\u6b63\u78ba\u306a\u6570\u5b57\u3092\u77e5\u308b\u305f\u3081\u306b\u306f\u3001\u5177\u4f53\u7684\u306a\u6570\u5b57\u3092\u8abf\u3079\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002 <em>\u30bf\u30a4\u30d7<\/em> \u3042\u306a\u305f\u304c\u4f7f\u3063\u3066\u3044\u308b\u92fc\u9244\u306e\u6700\u3082\u4e00\u822c\u7684\u306a\u3082\u306e\u3092\u7d39\u4ecb\u3057\u3088\u3046\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-melting-points-of-common-steel-types\"><span class=\"ez-toc-section\" id=\"Melting_Points_of_Common_Steel_Types\"><\/span>\u4e00\u822c\u7684\u306a\u92fc\u7a2e\u306e\u878d\u70b9<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u307b\u3068\u3093\u3069\u306e\u4eba\u306f\u30b9\u30c1\u30fc\u30eb\u3068\u8a00\u3046\u3060\u3051\u3060\u304c\u3001\u4f55\u5343\u7a2e\u985e\u3082\u306e\u30ec\u30b7\u30d4\u304c\u3042\u308b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9ad8\u5c64\u30d3\u30eb\u306e\u69cb\u9020\u6881\u3068\u53f0\u6240\u306e\u5305\u4e01\u306f\u307e\u3063\u305f\u304f\u9055\u3046\u3002\u6750\u6599\u304c\u5909\u308f\u308c\u3070\u878d\u70b9\u3082\u5909\u308f\u308b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-carbon-steel\"><span class=\"ez-toc-section\" id=\"Carbon_Steel\"><\/span>\u70ad\u7d20\u92fc<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u3082\u4e00\u822c\u7684\u306a\u92fc\u9244\u306e\u7a2e\u985e\u3067\u3042\u308b\u3002\u30d3\u30eb\u3084\u6a4b\u3001\u8eca\u306e\u30d5\u30ec\u30fc\u30e0\u306a\u3069\u306b\u4f7f\u308f\u308c\u3066\u3044\u308b\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4f4e\u70ad\u7d20\uff08\u30de\u30a4\u30eb\u30c9\uff09\u92fc\uff1a<\/strong> \u3053\u308c\u306f\u57fa\u672c\u7684\u306a\u30d0\u30cb\u30e9\u30fb\u30aa\u30d7\u30b7\u30e7\u30f3\u3060\u3068\u8003\u3048\u3066\u307b\u3057\u3044\u3002\u70ad\u7d20\u304c\u307b\u3068\u3093\u3069\u306a\u3044\u305f\u3081\u3001\u878d\u70b9\u304c\u9ad8\u3044\uff08\u7d048\u2103\uff09\u3002 <strong>2,700\u00b0F<\/strong>).<\/li>\n\n\n\n<li><strong>\u9ad8\u70ad\u7d20\u92fc\uff1a<\/strong> \u3053\u308c\u306f\u3088\u308a\u786c\u304f\u3001\u3088\u308a\u5f37\u3044\u3002\u30b9\u30d7\u30ea\u30f3\u30b0\u3084\u9ad8\u5f37\u5ea6\u30ef\u30a4\u30e4\u30fc\u306b\u4f7f\u308f\u308c\u308b\u3002\u610f\u5916\u306a\u3053\u3068\u306b <strong>\u70ad\u7d20\u3092\u5897\u3084\u3059\u3068\u878d\u70b9\u304c\u4e0b\u304c\u308b<\/strong>.\u9ad8\u70ad\u7d20\u92fc\u306e\u6eb6\u878d\u6e29\u5ea6\u306f <strong>2,600\u00b0F<\/strong>.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-stainless-steel\"><span class=\"ez-toc-section\" id=\"Stainless_Steel\"><\/span>\u30b9\u30c6\u30f3\u30ec\u30b9\u30fb\u30b9\u30c1\u30fc\u30eb<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u306f\u77e5\u3063\u3066\u3044\u308b\u3060\u308d\u3046\u3002\u30d4\u30ab\u30d4\u30ab\u3067\u3001\u9306\u3073\u306a\u3044\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u92fc\u3092\u30b9\u30c6\u30f3\u30ec\u30b9\u306b\u3059\u308b\u305f\u3081\u306b\u3001\u30e1\u30fc\u30ab\u30fc\u306f\u30af\u30ed\u30e0\u3092\u6dfb\u52a0\u3059\u308b\u3002\u3053\u308c\u306f\u9306\u306b\u5bfe\u3059\u308b\u30b7\u30fc\u30eb\u30c9\u306e\u3088\u3046\u306a\u50cd\u304d\u3092\u3059\u308b\u3002\u4e00\u822c\u7684\u306a\u92fc\u7a2e\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002 <strong><a href=\"https:\/\/matweb.com\/search\/datasheet.aspx?MatGUID=171e90f9d2ca4b0db99963f86adcbe74&amp;ckck=1l\">304\u304a\u3088\u3073316\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc<\/a><\/strong> (\u30ad\u30c3\u30c1\u30f3\u306e\u30b7\u30f3\u30af\u3084\u8239\u8236\u7528\u6a5f\u5668\u306b\u4f7f\u7528\u3055\u308c\u308b\uff09\u306f\u30012,550\u00b0F\u304b\u30892,650\u00b0F\u3067\u6eb6\u878d\u3059\u308b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-tool-and-alloy-steels\"><span class=\"ez-toc-section\" id=\"Tool_and_Alloy_Steels\"><\/span>\u5de5\u5177\u92fc\u304a\u3088\u3073\u5408\u91d1\u92fc<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f7c\u3089\u306f\u9244\u92fc\u754c\u306e\u30a8\u30ea\u30fc\u30c8\u7d4c\u55b6\u8005\u305f\u3061\u3060\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5de5\u5177\u92fc\u306b\u306f\u3001\u30bf\u30f3\u30b0\u30b9\u30c6\u30f3\u3001\u30b3\u30d0\u30eb\u30c8\u3001\u30d0\u30ca\u30b8\u30a6\u30e0\u306a\u3069\u306e\u5f37\u976d\u306a\u5143\u7d20\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u3002\u4ed6\u306e\u91d1\u5c5e\u3092\u5207\u65ad\u3059\u308b\u305f\u3081\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u308b\u3002\u975e\u5e38\u306b\u786c\u3044\u305f\u3081\u3001\u878d\u70b9\u304c\u540c\u7a0b\u5ea6\u3067\u3042\u3063\u3066\u3082\u3001\u57fa\u672c\u7684\u306a\u70ad\u7d20\u92fc\u3088\u308a\u3082\u9ad8\u6e29\u3067\u306e\u5f37\u5ea6\u304c\u4fdd\u305f\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-cheat-sheet-melting-points-by-grade\"><span class=\"ez-toc-section\" id=\"Cheat_Sheet_Melting_Points_by_Grade\"><\/span>\u30c1\u30fc\u30c8\u30b7\u30fc\u30c8\u30b0\u30ec\u30fc\u30c9\u5225\u878d\u70b9<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0b\u306f\u3001\u6a19\u6e96\u898f\u683c\u306b\u57fa\u3065\u304f\u30af\u30a4\u30c3\u30af\u30fb\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u30fb\u30c6\u30fc\u30d6\u30eb\u3067\u3042\u308b\u3002 <strong><a href=\"https:\/\/www.matweb.com\/\">\u6750\u6599\u7279\u6027\u30c7\u30fc\u30bf<\/a><\/strong> \u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u92fc\u7a2e<\/th><th>\u878d\u70b9<\/th><th>\u878d\u70b9 (\u00b0C)<\/th><th>\u4e00\u822c\u7684\u306a\u7528\u9014<\/th><\/tr><\/thead><tbody><tr><td><strong>1018\uff08\u4f4e\u70ad\u7d20\uff09<\/strong><\/td><td>2,590\u00b0F - 2,750\u00b0F<\/td><td>1,420\u00b0C - 1,510\u00b0C<\/td><td>\u30d6\u30e9\u30b1\u30c3\u30c8\u3001\u30de\u30a6\u30f3\u30c6\u30a3\u30f3\u30b0\u30d7\u30ec\u30fc\u30c8\u3001\u69cb\u9020\u7528\u30d3\u30fc\u30e0<\/td><\/tr><tr><td><strong>1095\uff08\u30cf\u30a4\u30ab\u30fc\u30dc\u30f3\uff09<\/strong><\/td><td>2,460\u00b0F - 2,680\u00b0F<\/td><td>1,350\u00b0C - 1,470\u00b0C<\/td><td>\u30ca\u30a4\u30d5\u3001\u30d0\u30cd\u3001\u5207\u524a\u5de5\u5177<\/td><\/tr><tr><td><strong>304 \u30b9\u30c6\u30f3\u30ec\u30b9<\/strong><\/td><td>2,550\u00b0F - 2,650\u00b0F<\/td><td>1,400\u00b0C - 1,455\u00b0C<\/td><td>\u30ad\u30c3\u30c1\u30f3\u30b7\u30f3\u30af\u3001\u8abf\u7406\u5668\u5177\u3001\u914d\u7ba1<\/td><\/tr><tr><td><strong>316\u30b9\u30c6\u30f3\u30ec\u30b9<\/strong><\/td><td>2,500\u00b0F - 2,550\u00b0F<\/td><td>1,370\u00b0C - 1,400\u00b0C<\/td><td>\u8236\u7528\u91d1\u5177\u3001\u30b1\u30df\u30ab\u30eb\u30bf\u30f3\u30af<\/td><\/tr><tr><td><strong>D2\u5de5\u5177\u92fc<\/strong><\/td><td>2,500\u00b0F - 2,600\u00b0F<\/td><td>1,370\u00b0C - 1,425\u00b0C<\/td><td>\u5de5\u696d\u7528\u30ab\u30c3\u30bf\u30fc\u3001\u30c9\u30ea\u30eb\u30d3\u30c3\u30c8<\/td><\/tr><tr><td><strong>\u92f3\u9244<\/strong><\/td><td>2,060\u00b0F - 2,200\u00b0F<\/td><td>1,127\u00b0C - 1,204\u00b0C<\/td><td>\u30b9\u30ad\u30ec\u30c3\u30c8\u3001\u30a8\u30f3\u30b8\u30f3\u30d6\u30ed\u30c3\u30af\u3001\u30de\u30f3\u30db\u30fc\u30eb\u306e\u84cb<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><em>\u6ce8\uff1a\u6bd4\u8f03\u306e\u305f\u3081\u3001\u4e00\u756a\u4e0b\u306b\u92f3\u9244\u3092\u63b2\u8f09\u3057\u305f\u3002\u9244\u306b\u6bd4\u3079\u3066\u878d\u70b9\u304c\u3044\u304b\u306b\u4f4e\u3044\u304b\u306b\u6ce8\u76ee\u3057\u3066\u307b\u3057\u3044\uff01<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3055\u3066\u3001\u6570\u5b57\u304c\u308f\u304b\u3063\u305f\u3068\u3053\u308d\u3067\u3001\u3042\u306a\u305f\u306f\u7591\u554f\u306b\u601d\u3046\u304b\u3082\u3057\u308c\u306a\u3044\u3002 <strong>\u306a\u305c<\/strong> \u30ab\u30fc\u30dc\u30f3\u3092\u52a0\u3048\u308b\u3068\u878d\u70b9\u304c\u4e0b\u304c\u308b\u3002\u9006\u3067\u3057\u3087\u3046\uff1f\u6b21\u306b\u305d\u308c\u3092\u8aac\u660e\u3057\u3088\u3046\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-why-does-the-melting-point-change\"><span class=\"ez-toc-section\" id=\"Why_Does_the_Melting_Point_Change\"><\/span>\u878d\u70b9\u306f\u306a\u305c\u5909\u308f\u308b\u306e\u304b\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30ab\u30fc\u30dc\u30f3\u306e\u3088\u3046\u306a\u5f37\u3044\u6750\u6599\u3092\u52a0\u3048\u308b\u3068\u3001\u92fc\u306f\u6eb6\u3051\u306b\u304f\u304f\u306a\u308b\u3068\u601d\u3046\u304b\u3082\u3057\u308c\u306a\u3044\u3002\u5b9f\u969b\u306f\u305d\u306e\u9006\u3060\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3053\u306b\u3001\u305d\u306e\u80cc\u5f8c\u306b\u3042\u308b\u5358\u7d14\u306a\u79d1\u5b66\u304c\u3042\u308b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-the-role-of-carbon-the-salt-on-ice-effect\"><span class=\"ez-toc-section\" id=\"The_Role_of_Carbon_The_%E2%80%9CSalt_on_Ice%E2%80%9D_Effect\"><\/span>\u70ad\u7d20\u306e\u5f79\u5272\uff1a\"\u6c37\u4e0a\u306e\u5869 \"\u52b9\u679c<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7d14\u9244\u306f\u9811\u56fa\u3060\u3002\u305d\u306e\u539f\u5b50\u306f\u7dca\u5bc6\u3067\u5b8c\u74a7\u306a\u683c\u5b50\u72b6\u306b\u9589\u3058\u8fbc\u3081\u3089\u308c\u3066\u3044\u308b\u3002\u305d\u306e\u30b0\u30ea\u30c3\u30c9\u3092\u58ca\u3057\u3066\u6db2\u4f53\u306b\u3059\u308b\u306b\u306f\u3001\u5927\u91cf\u306e\u71b1\u30a8\u30cd\u30eb\u30ae\u30fc\uff082,800\u00b0F\uff09\u304c\u5fc5\u8981\u3060\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u30ab\u30fc\u30dc\u30f3\u306f\u6c37\u4e0a\u306e\u5869\u306e\u3088\u3046\u306a\u50cd\u304d\u3092\u3059\u308b\u3002<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u51cd\u3063\u305f\u6b69\u9053\u306b\u5869\u3092\u6492\u304f\u3068\u3001\u6c37\u304c\u65e9\u304f\u6eb6\u3051\u308b\u3002\u5869\u304c\u6c34\u306e\u7d50\u6676\u3092\u7834\u58ca\u3059\u308b\u306e\u3060\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u70ad\u7d20\u306f\u9244\u306b\u3082\u540c\u3058\u3053\u3068\u3092\u3059\u308b\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4f4e\u70ad\u7d20\u92fc\uff1a<\/strong> \u70ad\u7d20\u306f\u307b\u3068\u3093\u3069\u306a\u3044\u3002\u9244\u539f\u5b50\u304c\u5bc6\u3002\u878d\u70b9\u304c\u9ad8\u3044\u3002<\/li>\n\n\n\n<li><strong>\u9ad8\u70ad\u7d20\u92fc\uff1a<\/strong> \u70ad\u7d20\u304c\u591a\u3044\u3002\u539f\u5b50\u304c\u4e71\u308c\u3066\u3044\u308b\u3002\u878d\u70b9\u304c\u4f4e\u3044\u3002<\/li>\n\n\n\n<li><strong>\u92f3\u9244\uff1a<\/strong> \u304c\u3042\u308b\u3002 <em>\u30ed\u30c3\u30c8<\/em> \u306e\u70ad\u7d20\uff082-4%\uff09\u3002\u6eb6\u878d\u6e29\u5ea6\u306f\u304b\u306a\u308a\u4f4e\u3044\uff08\u7d042,200\u00b0F\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u935b\u51b6\u8077\u4eba\u304c\u9ad8\u70ad\u7d20\u92fc\u3092\u597d\u3080\u306e\u306f\u3053\u306e\u305f\u3081\u3060\u3002\u4f4e\u6e29\u3067\u8edf\u5316\u3059\u308b\u305f\u3081\u3001\u52a0\u5de5\u3057\u3084\u3059\u3044\u306e\u3060\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-other-ingredients\"><span class=\"ez-toc-section\" id=\"Other_Ingredients\"><\/span>\u305d\u306e\u4ed6\u306e\u6210\u5206<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u70ad\u7d20\u3060\u3051\u3067\u306f\u306a\u3044\u3002\u92fc\u306e\u7279\u6027\u3092\u5909\u3048\u308b\u305f\u3081\u306b\u3001\u3042\u3089\u3086\u308b\u3082\u306e\u3092\u934b\u306b\u653e\u308a\u8fbc\u3080\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30af\u30ed\u30e0\uff1a<\/strong> \u3053\u308c\u304c\u30b9\u30c6\u30f3\u30ec\u30b9\u306e\u9b54\u6cd5\u306e\u6210\u5206\u3002\u9306\u3092\u9632\u3050\u3002\u4e00\u822c\u7684\u306b\u30af\u30ed\u30e0\u3092\u6dfb\u52a0\u3059\u308b\u3068\u3001\u7d14\u9244\u306b\u6bd4\u3079\u3066\u878d\u70b9\u304c\u82e5\u5e72\u4e0b\u304c\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30cb\u30c3\u30b1\u30eb\u3060\uff1a<\/strong> \u4f4e\u6e29\u3067\u92fc\u3092\u5f37\u304f\u3059\u308b\u305f\u3081\u306b\u6dfb\u52a0\u3055\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u3002\u70ad\u7d20\u3068\u540c\u69d8\u3001\u878d\u70b9\u3092\u4e0b\u3052\u308b\u3002<\/li>\n\n\n\n<li><strong>\u30bf\u30f3\u30b0\u30b9\u30c6\u30f3<\/strong> \u4f8b\u5916\u304c\u3042\u308b\u3002\u30bf\u30f3\u30b0\u30b9\u30c6\u30f3\u306f\u3069\u306e\u91d1\u5c5e\u3088\u308a\u3082\u878d\u70b9\u304c\u9ad8\u3044\u3002\u5de5\u5177\u92fc\u306e\u3088\u3046\u306b\uff09\u30bf\u30f3\u30b0\u30b9\u30c6\u30f3\u3092\u6dfb\u52a0\u3059\u308b\u3053\u3068\u3067\u3001\u6975\u5ea6\u306e\u71b1\u3067\u3082\u92fc\u306e\u5f62\u72b6\u3092\u4fdd\u3064\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3064\u307e\u308a\u3001\u30b9\u30c1\u30fc\u30eb\u306f\u5358\u306a\u308b1\u3064\u306e\u91d1\u5c5e\u3067\u306f\u306a\u3044\u3002\u91d1\u5c5e\u306e\u5bb6\u65cf\u306a\u306e\u3060\u3002\u305d\u3057\u3066\u3001\u3042\u306a\u305f\u306e\u5bb6\u65cf\u3068\u540c\u3058\u3088\u3046\u306b\u3001\u3069\u306e\u30e1\u30f3\u30d0\u30fc\u3082\u5c11\u3057\u305a\u3064\u9055\u3063\u305f\u884c\u52d5\u3092\u3068\u308b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3057\u304b\u3057\u3001\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u3084\u9285\u306a\u3069\u3001\u30ac\u30ec\u30fc\u30b8\u306b\u3042\u308b\u3088\u3046\u306a\u4ed6\u306e\u91d1\u5c5e\u3068\u6bd4\u3079\u3066\u3001\u30b9\u30c1\u30fc\u30eb\u306f\u3069\u3046\u306a\u306e\u3060\u308d\u3046\u304b\uff1f\u30e9\u30a4\u30f3\u30ca\u30c3\u30d7\u3092\u898b\u3066\u307f\u3088\u3046\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-steel-compared-to-other-metals\"><span class=\"ez-toc-section\" id=\"Steel_Compared_to_Other_Metals\"><\/span>\u92fc\u9244\u3068\u4ed6\u306e\u91d1\u5c5e\u3068\u306e\u6bd4\u8f03<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u9244\u92fc\u306e\u8a55\u4fa1\u306f\uff1f<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3053\u3067\u306f\u6570\u5b57\u3092\u898b\u3066\u3044\u308b\u3060\u3051\u3060\u304c\u3001\u3053\u308c\u3089\u306e\u6570\u5b57\u306f\u5b9f\u969b\u306e\u751f\u6d3b\u3067\u306f\u91cd\u8981\u3060\u3002\u6eb6\u63a5\u3084\u711a\u304d\u706b\u53f0\u3092\u4f5c\u308b\u5834\u5408\u3001\u3069\u306e\u91d1\u5c5e\u304c\u6700\u521d\u306b\u6db2\u5316\u3059\u308b\u304b\u3092\u77e5\u3063\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-steel-vs-aluminum\"><span class=\"ez-toc-section\" id=\"Steel_vs_Aluminum\"><\/span>\u30b9\u30c1\u30fc\u30eb\u5bfe\u30a2\u30eb\u30df<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/shincofab.com\/wp-content\/uploads\/2026\/02\/Aluminum-casting-failure-1024x576.jpg\" alt=\"\" class=\"wp-image-5768\" srcset=\"https:\/\/shincofab.com\/wp-content\/uploads\/2026\/02\/Aluminum-casting-failure-1024x576.jpg 1024w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/02\/Aluminum-casting-failure-300x169.jpg 300w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/02\/Aluminum-casting-failure-768x432.jpg 768w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/02\/Aluminum-casting-failure-1536x864.jpg 1536w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/02\/Aluminum-casting-failure-18x10.jpg 18w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/02\/Aluminum-casting-failure.jpg 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u304c\u6eb6\u3051\u308b <strong>\u96fb\u5149\u77f3\u706b<\/strong>.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u3060\uff1a<\/strong> 1,220\u00b0F\uff08660\u00b0C\uff09\u3002<\/li>\n\n\n\n<li><strong>\u30b9\u30c1\u30fc\u30eb\uff1a<\/strong> 2,500\u00b0F\uff081,370\u00b0C\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u30a2\u30eb\u30df\u7f36\u3092\u711a\u304d\u706b\u306b\u5165\u308c\u308c\u3070\u6d88\u3048\u3066\u3057\u307e\u3046\u3002\u9244\u3092\u6eb6\u304b\u3059\u306b\u306f\u76f8\u5f53\u306a\u71b1\u91cf\u304c\u5fc5\u8981\u3060\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u307e\u305f\u3001\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u306f\u6eb6\u3051\u308b\u524d\u306b\u8d64\u304f\u5149\u308b\u3053\u3068\u306f\u306a\u3044\u3002\u4e00\u77ac\u56fa\u5f62\u306b\u306a\u3063\u305f\u304b\u3068\u601d\u3046\u3068\u3001\u6b21\u306e\u77ac\u9593\u306b\u306f\u5e8a\u306b\u6c34\u305f\u307e\u308a\u304c\u3067\u304d\u308b\u3002\u6c17\u3092\u3064\u3051\u3066\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-steel-vs-iron-and-titanium\"><span class=\"ez-toc-section\" id=\"Steel_vs_Iron_and_Titanium\"><\/span>\u30b9\u30c1\u30fc\u30eb\u5bfe\u9244\u3068\u30c1\u30bf\u30f3<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u306f\u3088\u308a\u8fd1\u3044\u6226\u3044\u3060\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u92f3\u9244\uff1a<\/strong> \u5b9f\u969b\u3001\u9244\u3088\u308a\u3082\u65e9\u304f\u6eb6\u3051\u308b\uff08\u7d042200\u00b0F\uff09\u3002\u70ad\u7d20\u304c\u591a\u3044\u305f\u3081\u3001\u5869\u8f9b\u3044\u6c37\u306e\u3088\u3046\u306a\u50cd\u304d\u3092\u3059\u308b\u3002<\/li>\n\n\n\n<li><strong>\u30c1\u30bf\u30f3\uff1a<\/strong> \u52dd\u8005\u3002\u707c\u71b1\u306e\u6e29\u5ea6\u3067\u6eb6\u3051\u308b <strong>3,034\u00b0F (1,668\u00b0C)<\/strong>.\u3060\u304b\u3089\u30b8\u30a7\u30c3\u30c8\u30a8\u30f3\u30b8\u30f3\u306f\u30c1\u30bf\u30f3\u3092\u4f7f\u3046\u3093\u3060\u3002\u92fc\u9244\u306f\u305d\u306e\u3088\u3046\u306a\u71b1\u3067\u30b9\u30d1\u30b2\u30c3\u30c6\u30a3\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-steel-vs-lead-and-copper\"><span class=\"ez-toc-section\" id=\"Steel_vs_Lead_and_Copper\"><\/span>\u30b9\u30c1\u30fc\u30eb\u5bfe\u925b\u30fb\u9285<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u53f0\u6240\u306e\u30b3\u30f3\u30ed\u3067\u925b\u3092\u6eb6\u304b\u3059\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u306a\u305c\u306a\u3089 <strong><a href=\"https:\/\/www.cdc.gov\/niosh\/lead\/about\/index.html\">\u7159\u306f\u6709\u6bd2\u3067\u5371\u967a\u3067\u3042\u308b<\/a><\/strong>\u3067\u3082\u3001\u3067\u304d\u308b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u925b\u304c\u6eb6\u3051\u308b\u6e29\u5ea6\u306f <strong>620\u00b0F<\/strong>.\u9285\u306e\u65b9\u304c\u4e08\u592b\u3060\u304c\uff081,984\u00b0F\uff09\u3001\u305d\u308c\u3067\u3082\u92fc\u9244\u3088\u308a\u305a\u3063\u3068\u5148\u306b\u6eb6\u3051\u308b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-metal-melting-cheat-sheet\"><span class=\"ez-toc-section\" id=\"Metal_Melting_Cheat_Sheet\"><\/span>\u91d1\u5c5e\u6eb6\u89e3\u30c1\u30fc\u30c8\u30b7\u30fc\u30c8<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7c21\u5358\u306a\u53c2\u8003\u8868\u3067\u3059\u3002\u305d\u306e <strong>\u6eb6\u878d\u96e3\u6613\u5ea6<\/strong> \u6b04\u306b\u306f\u3001\u3069\u306e\u3088\u3046\u306a\u6a5f\u6750\u304c\u5fc5\u8981\u304b\u3092\u6b63\u78ba\u306b\u793a\u3059<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u30e1\u30bf\u30eb<\/th><th>\u878d\u70b9<\/th><th>\u878d\u70b9 (\u00b0C)<\/th><th>\u6eb6\u878d\u96e3\u6613\u5ea6<\/th><th>\u30af\u30a4\u30c3\u30af\u30fb\u30d5\u30a1\u30af\u30c8<\/th><\/tr><\/thead><tbody><tr><td><strong>\u30ea\u30fc\u30c9<\/strong><\/td><td>620\u00b0F<\/td><td>327\u00b0C<\/td><td>\ud83d\udd25 \uff08\u30ad\u30c3\u30c1\u30f3\u30b3\u30f3\u30ed\uff09<\/td><td>\u5f3e\u4e38\u3084\u91e3\u308a\u306e\u9318\u306b\u3088\u304f\u4f7f\u308f\u308c\u308b<\/td><\/tr><tr><td><strong>\u30a2\u30eb\u30df\u30cb\u30a6\u30e0<\/strong><\/td><td>1,220\u00b0F<\/td><td>660\u00b0C<\/td><td>\ud83d\udd25\ud83d\udd25\uff08\u30ad\u30e3\u30f3\u30d7\u30d5\u30a1\u30a4\u30e4\u30fc\uff09<\/td><td>\u8d64\u304f\u5149\u308b\u3053\u3068\u306a\u304f\u7a81\u7136\u6eb6\u3051\u308b<\/td><\/tr><tr><td><strong>\u30b7\u30eb\u30d0\u30fc<\/strong><\/td><td>1,763\u00b0F<\/td><td>961\u00b0C<\/td><td>\ud83d\udd25\ud83d\udd25\uff08\u30d7\u30ed\u30d1\u30f3\u30c8\u30fc\u30c1\uff09<\/td><td>\u30b8\u30e5\u30a8\u30ea\u30fc\u92f3\u9020\u7528<\/td><\/tr><tr><td><strong>\u9285<\/strong><\/td><td>1,984\u00b0F<\/td><td>1,085\u00b0C<\/td><td>\ud83d\udd25\ud83d\udd25\uff08\u5c0f\u578b\u7089\uff09<\/td><td>\u5c02\u7528\u306e\u308b\u3064\u307c\u304c\u5fc5\u8981<\/td><\/tr><tr><td><strong>\u92f3\u9244<\/strong><\/td><td>2,200\u00b0F<\/td><td>1,204\u00b0C<\/td><td>\ud83d\udd25\ud83d\udd25\uff08\u77f3\u70ad\u935b\u51b6\u5c4b\uff09<\/td><td>\u30a8\u30f3\u30b8\u30f3\u30d6\u30ed\u30c3\u30af\u3084\u8abf\u7406\u5668\u5177\u306b\u4f7f\u7528<\/td><\/tr><tr><td><strong>\u30b9\u30c1\u30fc\u30eb<\/strong><\/td><td>2,700\u00b0F<\/td><td>1,482\u00b0C<\/td><td>\ud83d\udd25\ud83d\udd25\ud83d\udd25\uff08\u5de5\u696d\u7528\uff09<\/td><td>\u96fb\u6c17\u30a2\u30fc\u30af\u307e\u305f\u306f\u8a98\u5c0e\u304c\u5fc5\u8981<\/td><\/tr><tr><td><strong>\u30c1\u30bf\u30f3<\/strong><\/td><td>3,034\u00b0F<\/td><td>1,668\u00b0C<\/td><td>\ud83d\udd25\ud83d\udd25\ud83d\udd25\uff08\u771f\u7a7a\u7089\uff09<\/td><td>\u6700\u9ad8\u306e\u5f37\u5ea6\u5bfe\u91cd\u91cf\u6bd4<\/td><\/tr><tr><td><strong>\u30bf\u30f3\u30b0\u30b9\u30c6\u30f3<\/strong><\/td><td>6,192\u00b0F<\/td><td>3,422\u00b0C<\/td><td>\ud83d\udc80\uff08\u30a8\u30af\u30b9\u30c8\u30ea\u30fc\u30e0\u30fb\u30e9\u30dc\uff09<\/td><td>\u3042\u3089\u3086\u308b\u91d1\u5c5e\u306e\u4e2d\u3067\u6700\u3082\u9ad8\u3044\u878d\u70b9<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u3089\u306e\u6570\u5024\u3092\u77e5\u308b\u3053\u3068\u306f\u3001\u5b89\u5168\u306e\u305f\u3081\u306b\u975e\u5e38\u306b\u91cd\u8981\u3067\u3042\u308b\u3002\u4f5c\u696d\u306e\u9014\u4e2d\u3067\u6db2\u72b6\u306b\u306a\u308b\u3088\u3046\u306a\u91d1\u5c5e\u306f\u9078\u3073\u305f\u304f\u306a\u3044\u3082\u306e\u3060\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u3067\u3082\u3001\u30ad\u30e3\u30c3\u30c1\u304c\u3042\u308b\u3002<\/strong> \u9244\u304c\u6eb6\u3051\u306a\u3044\u304b\u3089\u3068\u3044\u3063\u3066\u5b89\u5168\u3068\u306f\u9650\u3089\u306a\u3044\u3002\u591a\u304f\u306e\u5834\u5408\u3001\u878d\u70b9\u306f\u5f53\u3066\u306b\u306a\u3089\u306a\u3044\u6570\u5024\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-why-you-should-care-about-these-numbers\"><span class=\"ez-toc-section\" id=\"Why_You_Should_Care_About_These_Numbers\"><\/span>\u3053\u306e\u6570\u5b57\u3092\u6c17\u306b\u3059\u308b\u7406\u7531<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u3042\u306a\u305f\u306f\u5316\u5b66\u8005\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u3002\u92fc\u9244\u304c2,500\u00b0F\u3067\u6eb6\u3051\u308b\u304b2,800\u00b0F\u3067\u6eb6\u3051\u308b\u304b\u304c\u306a\u305c\u91cd\u8981\u306a\u306e\u3067\u3059\u304b\uff1f<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305d\u308c\u304c\u91cd\u8981\u306a\u306e\u306f <strong>\u6c17\u6e29\u306b\u3088\u3063\u3066\u5efa\u8a2d\u3067\u304d\u308b\u3082\u306e\u304c\u6c7a\u307e\u308b\u3002<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7089\u3001\u30a8\u30f3\u30b8\u30f3\u90e8\u54c1\u3001\u711a\u304d\u706b\u53f0\u306a\u3069\u306b\u9593\u9055\u3063\u305f\u92fc\u6750\u3092\u9078\u3076\u3068\u3001\u5931\u6557\u3092\u62db\u304f\u3053\u3068\u306b\u306a\u308b\u3002\u878d\u70b9\u304c\u5358\u306a\u308b\u96d1\u5b66\u3067\u306a\u3044\u7406\u7531\u306f\u3053\u3053\u306b\u3042\u308b\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\ud83d\udca1<strong>\u73fe\u5b9f\u306e\u88fd\u9020\u554f\u984c\uff1a\"\u71b1\u306e\u5f71\u97ff\u3092\u53d7\u3051\u308b\u30be\u30fc\u30f3\"<\/strong><br>\u79c1\u305f\u3061\u306e\u677f\u91d1\u52a0\u5de5\u3067\u306f\u3001\u91d1\u5c5e\u3092\u6eb6\u304b\u3059\u3053\u3068\u306f\u307b\u3068\u3093\u3069\u3042\u308a\u307e\u305b\u3093\u3002 <em>\u5168\u4f53<\/em> \u30d4\u30fc\u30b9\u3002\u79c1\u305f\u3061\u304c\u6eb6\u304b\u3057\u305f\u3044\u306e\u306f\u3001\u5236\u5fa1\u3055\u308c\u305f\u5c0f\u3055\u306a\u7d99\u304e\u76ee\u3060\u3051\u3060\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30c1\u30fc\u30e0\u304cTIG\u6eb6\u63a5\u3092\u3057\u3066\u3044\u308b\u3068\u304d <strong>304\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc<\/strong>\u79c1\u305f\u3061\u306f\u7d30\u5fc3\u306e\u6ce8\u610f\u3092\u6255\u308f\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306f\u71b1\u4f1d\u5c0e\u7387\u304c\u4f4e\u304f\u3001\u6eb6\u3051\u308b\u7bc4\u56f2\u304c\u6c7a\u307e\u3063\u3066\u3044\u308b\u305f\u3081\u3001\u71b1\u306f\u3059\u3050\u306b\u306f\u653e\u6563\u3057\u307e\u305b\u3093\u3002\u6eb6\u63a5\u304c\u9577\u5f15\u304f\u3068\u3001\u7a74\u304c\u6eb6\u3051\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u5de8\u5927\u306a\u300c\u71b1\u5f71\u97ff\u90e8\u300d\uff08HAZ\uff09\u304c\u3067\u304d\u3066\u3057\u307e\u3046\u3002\u3053\u308c\u304c\u677f\u91d1\u306e\u53cd\u308a\u3084\u5ea7\u5c48\u306e\u539f\u56e0\u3068\u306a\u308b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u3053\u3068\u3092\u8003\u616e\u3057\u3066\u3044\u306a\u3044\u9867\u5ba2\u306e\u8a2d\u8a08\u30d5\u30a1\u30a4\u30eb\u3092\u3088\u304f\u898b\u304b\u3051\u307e\u3059\u3002\u878d\u70b9\u306e\u4f4e\u3044\u6750\u6599\u3092\u9078\u3073\u306a\u304c\u3089\u3001\u9ad8\u71b1\u6eb6\u63a5\u7528\u306b\u8a2d\u8a08\u3057\u3066\u3044\u308b\u306e\u3067\u3059\u3002\u305d\u306e\u7d50\u679c\u306f\uff1f\u6b6a\u3093\u3060\u88fd\u54c1\u304c\u51fa\u6765\u4e0a\u304c\u308a\u307e\u3057\u305f\u3002\u878d\u70b9\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u9069\u5207\u306a\u6eb6\u63a5\u901f\u5ea6\u3068\u51b7\u5374\u88c5\u7f6e\u3092\u9078\u629e\u3057\u3001\u88fd\u54c1\u3092\u8a31\u5bb9\u7bc4\u56f2\u5185\u306b\u4fdd\u3064\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/blockquote>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/shincofab.com\/wp-content\/uploads\/2026\/02\/stainless-steel-heat-distortion-vs-good-weld-1024x576.jpg\" alt=\"\" class=\"wp-image-5767\" srcset=\"https:\/\/shincofab.com\/wp-content\/uploads\/2026\/02\/stainless-steel-heat-distortion-vs-good-weld-1024x576.jpg 1024w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/02\/stainless-steel-heat-distortion-vs-good-weld-300x169.jpg 300w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/02\/stainless-steel-heat-distortion-vs-good-weld-768x432.jpg 768w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/02\/stainless-steel-heat-distortion-vs-good-weld-18x10.jpg 18w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/02\/stainless-steel-heat-distortion-vs-good-weld.jpg 1280w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-for-casting-and-molding\"><span class=\"ez-toc-section\" id=\"For_Casting_and_Molding\"><\/span>\u92f3\u9020\u30fb\u6210\u5f62\u7528<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6db2\u4f53\u306e\u92fc\u9244\u3092\u92f3\u578b\u306b\u6d41\u3057\u8fbc\u307f\u305f\u3044\u3067\u3059\u304b\uff1f\u91d1\u5c5e\u305d\u306e\u3082\u306e\u3088\u308a\u3082\u9ad8\u6e29\u306b\u3067\u304d\u308b\u7089\u304c\u5fc5\u8981\u3060\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30d7\u30ed\u30d1\u30f3\u306e\u935b\u51b6\u5834<\/strong> \u6700\u9ad8 <em>\u8edf\u5316<\/em> \u30b9\u30c1\u30fc\u30eb\uff08\u935b\u51b6\uff09\u3002<\/li>\n\n\n\n<li><strong>\u70ad\u713c\u304d\u5de5\u5834\uff1a<\/strong> \u5b89\u5b9a\u3057\u30662,800\u00b0F\u306b\u5230\u9054\u3059\u308b\u306e\u306b\u82e6\u52b4\u3059\u308b\u3002<\/li>\n\n\n\n<li><strong>\u96fb\u6c17\u5f0fIH\uff1a<\/strong> \u92fc\u9244\u3092\u6eb6\u304b\u3059\u305f\u3081\u306e\u91d1\u5b57\u5854\u3067\u3042\u308b\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u7089\u304c2,600\u00b0F\u306b\u3057\u304b\u9054\u3057\u306a\u3044\u5834\u5408\u3001\u92f3\u9244\u306e\u6eb6\u89e3\u306b\u306f\u6210\u529f\u3057\u3066\u3082\u3001\u4f4e\u70ad\u7d20\u92fc\u306e\u6eb6\u89e3\u306b\u306f\u5931\u6557\u3059\u308b\u304b\u3082\u3057\u308c\u306a\u3044\u3002\u9ad8\u6e29\u306e\u584a\u304c\u3067\u304d\u3042\u304c\u308b\u3060\u3051\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-safety-and-fire-resistance\"><span class=\"ez-toc-section\" id=\"Safety_and_Fire_Resistance\"><\/span>\u5b89\u5168\u6027\u3068\u8010\u706b\u6027<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5efa\u7269\u306e\u69cb\u9020\u7528\u92fc\u306f\u706b\u707d\u306b\u8010\u3048\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u822c\u7684\u306a\u4f4f\u5b85\u706b\u707d\u306e\u767a\u751f\u4ef6\u6570 <strong>1,100\u00b0F<\/strong>.\u3053\u308c\u306f\u92fc\u9244\u306e\u878d\u70b9\uff082,500\u00b0F\u4ee5\u4e0a\uff09\u3092\u306f\u308b\u304b\u306b\u4e0b\u56de\u308b\u3002\u3060\u304b\u3089\u3001\u9244\u9aa8\u304c\u901a\u5e38\u306e\u706b\u707d\u3067\u6db2\u4f53\u306b\u306a\u308b\u3053\u3068\u306f\u306a\u3044\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u3057\u304b\u3057\u3001\u6eb6\u3051\u3066\u5931\u6557\u3059\u308b\u3053\u3068\u306f\u306a\u3044\u3002<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u304c\u9244\u92fc\u306b\u3064\u3044\u3066\u4eba\u3005\u304c\u62b1\u304f\u6700\u3082\u91cd\u5927\u306a\u8aa4\u89e3\u3067\u3042\u308b\u3002\u30ed\u30a6\u30bd\u30af\u306e\u30ed\u30a6\u306e\u3088\u3046\u306b\u5782\u308c\u3066\u3053\u306a\u3044\u304b\u3089\u3068\u3044\u3063\u3066\u3001\u307e\u3060\u5c4b\u6839\u3092\u652f\u3048\u3066\u3044\u308b\u3068\u306f\u9650\u3089\u306a\u3044\u306e\u3060\u3002\u5371\u967a\u5730\u5e2f\u306b\u3064\u3044\u3066\u8a71\u305d\u3046 <em>\u4ee5\u524d<\/em> \u878d\u70b9\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-melting-vs-failing-a-critical-warning\"><span class=\"ez-toc-section\" id=\"Melting_vs_Failing_A_Critical_Warning\"><\/span>\u878d\u89e3\u3068\u6545\u969c\uff1a\u91cd\u5927\u306a\u8b66\u544a<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u706b\u4e8b\u3067\u9244\u9aa8\u304c\u71c3\u3048\u3066\u3044\u308b\u306e\u3092\u898b\u305f\u3053\u3068\u304c\u3042\u308b\u3060\u308d\u3046\u3002\u6eb6\u3051\u3066\u3044\u306a\u3044\u3002\u6c34\u6ef4\u3082\u5782\u308c\u3066\u3044\u306a\u3044\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3057\u304b\u3057\u3001\u305d\u308c\u3089\u306f\u5d29\u58ca\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u308b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u878d\u70b9\u3092\u5b89\u5168\u306a\u4f7f\u7528\u6e29\u5ea6\u3068\u52d8\u9055\u3044\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u306b\u3088\u308b\u3068 <strong><a href=\"https:\/\/www.aisc.org\/aisc\/solutions-center\/engineering-faqs\/112-steel-exposed-to-fire\/\">\u7c73\u56fd\u9244\u9aa8\u69cb\u9020\u5354\u4f1a\uff08AISC\uff09<\/a><\/strong>\u92fc\u9244\u306f\u5f37\u5ea6\u3092\u8457\u3057\u304f\u5931\u3046 <em>\u9577\u3044<\/em> \u6db2\u3060\u307e\u308a\u306b\u306a\u308b\u524d\u306b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-losing-strength-before-melting\"><span class=\"ez-toc-section\" id=\"Losing_Strength_Before_Melting\"><\/span>\u6eb6\u3051\u308b\u524d\u306b\u529b\u3092\u5931\u3046<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6691\u3044\u65e5\u306e\u30d0\u30bf\u30fc\u3092\u60f3\u50cf\u3057\u3066\u307b\u3057\u3044\u3002\u307e\u3060\u6db2\u4f53\u3067\u306f\u306a\u3044\u304c\u3001\u3064\u3064\u3051\u3070\u6307\u304c\u30b9\u30c3\u3068\u901a\u308b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b9\u30c1\u30fc\u30eb\u3082\u540c\u3058\u3060\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e38\u6e29\u3067\u306f\u3001\u92fc\u9244\u306f\u9a5a\u304f\u307b\u3069\u786c\u3044\u3002\u3057\u304b\u3057\u3001\u52a0\u71b1\u3057\u3066 <strong>1,000\u00b0F (538\u00b0C)<\/strong>\u3053\u308c\u306f\u878d\u70b9\u306e\u534a\u5206\u4ee5\u4e0b\u3067\u3042\u308b\u3002 <strong>50%\u306e\u964d\u4f0f\u5f37\u5ea6\u3092\u793a\u3059\u3002<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6eb6\u3051\u308b\u3053\u3068\u306f\u306a\u3044\u304c\u3001\u786c\u3055\u306f\u5931\u308f\u308c\u308b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9244\u9aa8\u306e\u6881\u304c\u91cd\u3044\u30b3\u30f3\u30af\u30ea\u30fc\u30c8\u306e\u5e8a\u3092\u652f\u3048\u3066\u3044\u308b\u5834\u5408\u3001\u91cd\u529b\u304c\u52dd\u3064\u3002\u6881\u306f\u5782\u308c\u4e0b\u304c\u308b\u3002\u5e8a\u306f\u5d29\u308c\u308b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305d\u306e\u305f\u3081\u3001\u9244\u9aa8\u69cb\u9020\u7269\u306b\u306f\u9632\u706b\u30b9\u30d7\u30ec\u30fc\u304c\u5857\u3089\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u3002\u305d\u306e\u76ee\u7684\u306f\u3001\u92fc\u9244\u306e\u8150\u98df\u3092\u9632\u3050\u3053\u3068\u3067\u306f\u306a\u3044\u3002 <em>\u30e1\u30eb\u30c6\u30a3\u30f3\u30b0<\/em> (\u305d\u306e\u305f\u3081\u306b\u706b\u304c\u5341\u5206\u306b\u71b1\u304f\u306a\u308b\u3053\u3068\u306f\u3081\u3063\u305f\u306b\u306a\u3044\uff09\u3002\u76ee\u6a19\u306f\u3001\u92fc\u3092\u5341\u5206\u306b\u51b7\u3084\u3057\u3066\uff081,000\u00b0F\u4ee5\u4e0b\uff09\u786c\u3055\u3092\u4fdd\u3064\u3053\u3068\u3060\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\ud83d\udca1<strong>\u30d5\u30ed\u30a2\u304b\u3089\u306e\u30ec\u30c3\u30b9\u30f3\u30aa\u30fc\u30d6\u30f3\u52b9\u679c<\/strong><br>\u3042\u308b\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u3001\u5de5\u696d\u7528\u30aa\u30fc\u30d6\u30f3\u7528\u306e\u30d6\u30e9\u30b1\u30c3\u30c8\u3092\u6a19\u6e96\u7684\u306a\u3082\u306e\u3092\u4f7f\u3063\u3066\u88fd\u4f5c\u3057\u3066\u307b\u3057\u3044\u3068\u4f9d\u983c\u3057\u305f\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u899a\u3048\u3066\u3044\u308b\u3002 <strong>\u30de\u30a4\u30eb\u30c9\u30fb\u30b9\u30c1\u30fc\u30eb<\/strong>.\u5f7c\u3089\u306e\u8ad6\u7406\u306f\u3053\u3046\u3060\uff1a\u300c\u30aa\u30fc\u30d6\u30f3\u306f1,000\u00b0F\u307e\u3067\u3057\u304b\u4e0a\u304c\u3089\u306a\u3044\u3057\u3001\u9244\u306f2,700\u00b0F\u3067\u6eb6\u3051\u308b\u304b\u3089\u5b89\u5168\u3060\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u751f\u7523\u3092\u4e2d\u6b62\u3057\u3066\u4fee\u6b63\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u304b\u3063\u305f\u3002\u305d\u3046\u3001\u92fc\u9244\u306f <em>\u30e1\u30eb\u30c8<\/em>\u3057\u304b\u3057\u3001\u8edf\u92fc\u306f1,000\u00b0F\u306b\u306a\u308b\u3068\u8457\u3057\u304f\u525b\u6027\u3092\u5931\u3046\u3002\u305d\u306e\u305f\u3081\u3001\u30d6\u30e9\u30b1\u30c3\u30c8\u306f\u4e2d\u306e\u30e9\u30c3\u30af\u306e\u91cd\u3055\u3067\u305f\u308f\u3093\u3067\u3057\u307e\u3046\u3002\u305d\u3053\u3067\u3001\u30d6\u30e9\u30b1\u30c3\u30c8\u3092\u9ad8\u6e29\u5408\u91d1\u306b\u5909\u66f4\u3057\u305f\u3002 <em>\u6e29\u5ea6\u964d\u4f0f\u5f37\u3055<\/em>\u878d\u70b9\u3060\u3051\u3067\u306f\u306a\u3044\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u306fShincoFab\u3067\u5e38\u306b\u4ea4\u308f\u3055\u308c\u308b\u4f1a\u8a71\u3060\u3002\u6eb6\u3051\u306a\u3044\u304b\u3089\u3068\u3044\u3063\u3066\u3046\u307e\u304f\u3044\u304f\u3068\u306f\u9650\u3089\u306a\u3044\u3002<\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-structural-integrity-in-high-heat\"><span class=\"ez-toc-section\" id=\"Structural_Integrity_in_High_Heat\"><\/span>\u9ad8\u71b1\u4e0b\u306b\u304a\u3051\u308b\u69cb\u9020\u306e\u5b8c\u5168\u6027<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u878d\u70b9\u3060\u3051\u3067\u306a\u304f\u3001\u6545\u969c\u70b9\u3092\u77e5\u3063\u3066\u304a\u304f\u3079\u304d\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u711a\u304d\u706b\u53f0\u3084\u30a8\u30f3\u30b8\u30f3\u30d6\u30e9\u30b1\u30c3\u30c8\u306e\u3088\u3046\u306a\u3082\u306e\u3092\u4f5c\u308b\u5834\u5408\u306b\u306f\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30de\u30a4\u30eb\u30c9\u30fb\u30b9\u30c1\u30fc\u30eb\uff1a<\/strong> \u3053\u306e\u3042\u305f\u308a\u304b\u3089\u5f37\u3055\u304c\u8457\u3057\u304f\u4f4e\u4e0b\u3059\u308b\u3002 <strong>750\u00b0F<\/strong>.<\/li>\n\n\n\n<li><strong>\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb\uff1a<\/strong> \u5f37\u5ea6\u3092\u3088\u308a\u4fdd\u6301\u3059\u308b\u3002 <strong>1,500\u00b0F<\/strong>.<\/li>\n\n\n\n<li><strong>\u30a4\u30f3\u30b3\u30cd\u30eb \/ \u30a8\u30ad\u30be\u30c1\u30c3\u30af\u5408\u91d1\uff1a<\/strong> \u8fd1\u304f\u3067\u5f37\u304f\u3044\u3089\u308c\u308b <strong>2,000\u00b0F<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3060\u304b\u3089\u3001\u9ad8\u71b1\u306b\u8010\u3048\u308b\u8a2d\u8a08\u3092\u3059\u308b\u306a\u3089\u3001\u878d\u70b9\u306f\u7121\u8996\u3057\u3066\u3044\u3044\u3002\u305d\u306e\u4ee3\u308f\u308a\u306b\u3001\u92fc\u6750\u306e\u5f37\u5ea6\u304c\u3044\u3064\u5931\u308f\u308c\u308b\u304b\u3092\u5c0b\u306d\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7279\u306b\u3001\u81ea\u5206\u3067\u9244\u3092\u71b1\u3057\u3066\u53e9\u3053\u3046\u3068\u8003\u3048\u3066\u3044\u308b\u306a\u3089\u306a\u304a\u3055\u3089\u3060\u3002\u6b21\u306bDIY\u306e\u73fe\u5b9f\u306b\u3064\u3044\u3066\u8a71\u305d\u3046\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-can-you-melt-steel-at-home-the-diy-reality\"><span class=\"ez-toc-section\" id=\"Can_You_Melt_Steel_at_Home_The_DIY_Reality\"><\/span>\u5bb6\u5ead\u3067\u9244\u3092\u6eb6\u304b\u3059\u3053\u3068\u306f\u53ef\u80fd\u304b\uff1f(DIY\u306e\u73fe\u5b9f\uff09<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30d5\u30a9\u30fc\u30b8\u30c9\u30fb\u30a4\u30f3\u30fb\u30d5\u30a1\u30a4\u30e4\u30fc\u300f\u3092\u898b\u305f\u3053\u3068\u304c\u3042\u308b\u4eba\u306a\u3089\u3001\u8d64\u304f\u5149\u308b\u5203\u3092\u6253\u3061\u8fbc\u3093\u3067\u3044\u308b\u4eba\u305f\u3061\u3092\u898b\u305f\u3053\u3068\u304c\u3042\u308b\u3060\u308d\u3046\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3057\u304b\u3057\u3001\u672c\u5f53\u306b\u305d\u3046\u3060\u308d\u3046\u304b\uff1f <em>\u30e1\u30eb\u30c8<\/em> \u88cf\u5ead\u3067\u92fc\u9244\u3092\u6db2\u4f53\u91d1\u5c5e\u306e\u6c34\u305f\u307e\u308a\u306b\uff1f<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u77ed\u3044\u7b54\u3048\u3060\uff1a <strong>\u304a\u305d\u3089\u304f\u7121\u7406\u3060\u308d\u3046\u3002<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u307b\u3068\u3093\u3069\u306eDIY\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u306f\u3001\u5341\u5206\u306b\u71b1\u304f\u3059\u308b\u306e\u306b\u82e6\u52b4\u3059\u308b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-propane-forges-vs-charcoal\"><span class=\"ez-toc-section\" id=\"Propane_Forges_vs_Charcoal\"><\/span>\u30d7\u30ed\u30d1\u30f3\u85aa\u3068\u70ad\u306e\u6bd4\u8f03<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6a19\u6e96\u7684\u306a\u30d7\u30ed\u30d1\u30f3\u30d5\u30a9\u30fc\u30b8\uff08\u8da3\u5473\u3067\u30a2\u30de\u30be\u30f3\u3067\u8cfc\u5165\u3059\u308b\u3088\u3046\u306a\u3082\u306e\uff09\u306f\u3001\u7d0480\u2103\u306b\u9054\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 <strong>2,300\u00b0F (1,260\u00b0C)<\/strong>.\u3068\u3066\u3064\u3082\u306a\u304f\u71b1\u3044\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3057\u304b\u3057\u3001\u92fc\u9244\u306f\u6eb6\u3051\u308b\u3002 <strong>2,500\u00b0F+<\/strong>.\u767d\u71b1\u3059\u308b\u3051\u3069\u3001\u30b9\u30fc\u30d7\u306b\u306f\u306a\u3089\u306a\u3044\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u30c1\u30e3\u30b3\u30fc\u30eb<\/strong> \u3088\u308a\u9ad8\u6e29\u306b\u306a\u308a\u3001\u706b\u50b7\u306e\u5371\u967a\u304c\u3042\u308b\u3002 <strong>2,700\u00b0F<\/strong> \u5341\u5206\u306b\u7a7a\u6c17\u3092\u9001\u308a\u8fbc\u3081\u3070\u3002\u53e4\u4ee3\u306e\u935b\u51b6\u5c4b\u306f\u6728\u70ad\u3092\u4f7f\u3063\u3066\u9244\u3092\u7cbe\u932c\u3057\u305f\u3002\u3057\u304b\u3057\u3001\u305d\u306e\u6b63\u78ba\u306a\u6e29\u5ea6\u3092\u4e00\u5b9a\u306b\u4fdd\u3064\u306e\u306f\u96e3\u3057\u3044\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u304d\u308c\u3044\u306a\u6db2\u4f53\u3067\u306f\u306a\u304f\u3001\u534a\u6eb6\u3051\u305f\u9244\u306e\u30b9\u30dd\u30f3\u30b8\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u304b\u3082\u3057\u308c\u306a\u3044\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-softening-vs-liquefying\"><span class=\"ez-toc-section\" id=\"Softening_vs_Liquefying\"><\/span>\u30bd\u30d5\u30c8\u5316\u3068\u6db2\u5316\u306e\u6bd4\u8f03<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u935b\u9020\u3068\u92f3\u9020\u306b\u306f\u5927\u304d\u306a\u9055\u3044\u304c\u3042\u308b\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u935b\u9020\uff1a<\/strong> \u9244\u3092\u7c98\u571f\u306e\u3088\u3046\u306b\u3084\u308f\u3089\u304b\u304f\u306a\u308b\u307e\u3067\u52a0\u71b1\u3059\u308b\u3002 <strong>1,800\u00b0F - 2,200\u00b0F<\/strong>).\u305d\u308c\u3092\u30cf\u30f3\u30de\u30fc\u3067\u53e9\u3044\u3066\u5f62\u306b\u3059\u308b\u3002\u3053\u308c\u306a\u3089\u5bb6\u3067\u3082\u3067\u304d\u308b\u3002<\/li>\n\n\n\n<li><strong>\u30ad\u30e3\u30b9\u30c6\u30a3\u30f3\u30b0\uff1a<\/strong> \u9244\u3092\u6db2\u4f53\u306b\u306a\u308b\u307e\u3067\u52a0\u71b1\u3059\u308b\u3002 <strong>2,600\u00b0F<\/strong>).\u305d\u308c\u304b\u3089\u578b\u306b\u6d41\u3057\u8fbc\u3080\u3002\u305d\u306e\u305f\u3081\u306b\u306f\u3001\u8a98\u5c0e\u7089\u304b\u3001\u9244\u304c\u6eb6\u3051\u308b\u524d\u306b\u6eb6\u3051\u306a\u3044\u7279\u6b8a\u306a\u30eb\u30c4\u30dc\u304c\u5fc5\u8981\u3067\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u521d\u5fc3\u8005\u306e\u65b9\u306f\u935b\u9020\uff08\u8edf\u5316\uff09\u306b\u5c02\u5ff5\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u5bb6\u5ead\u3067\u92fc\u3092\u6db2\u5316\u3057\u3088\u3046\u3068\u3059\u308b\u306e\u306f\u5371\u967a\u3060\u3057\u3001\u9ad8\u4fa1\u306a\u9053\u5177\u304c\u5fc5\u8981\u3060\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3057\u304b\u3057\u3001$500\u306e\u6e29\u5ea6\u8a08\u304c\u306a\u304f\u3066\u3082\u3001\u9244\u304c\u5341\u5206\u306b\u71b1\u3044\u304b\u3069\u3046\u304b\u3092\u3069\u3046\u3084\u3063\u3066\u77e5\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3067\u3057\u3087\u3046\u304b\uff1f\u76ee\u3092\u4f7f\u3046\u306e\u3060\u3002\u305d\u306e\u65b9\u6cd5\u3092\u304a\u898b\u305b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-judging-temperature-by-color-without-a-thermometer\"><span class=\"ez-toc-section\" id=\"Judging_Temperature_by_Color_Without_a_Thermometer\"><\/span>\u8272\u3067\u6e29\u5ea6\u3092\u5224\u65ad\u3059\u308b\uff08\u6e29\u5ea6\u8a08\u306a\u3057\uff09<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u9244\u304c\u5341\u5206\u306b\u71b1\u3044\u304b\u3069\u3046\u304b\u3092\u77e5\u308b\u306e\u306b\u3001\u9ad8\u7d1a\u306a\u6e29\u5ea6\u8a08\u306f\u5fc5\u8981\u306a\u3044\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305f\u3060\u898b\u308b\u3060\u3051\u3067\u3044\u3044\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u92fc\u304c\u71b1\u3092\u5438\u53ce\u3059\u308b\u3068\u3001\u305d\u306e\u8272\u306f\u4e88\u6e2c\u901a\u308a\u306b\u5909\u5316\u3059\u308b\u3002\u935b\u51b6\u8077\u4eba\u306f\u4f55\u5343\u5e74\u3082\u306e\u9593\u3001\u3053\u306e\u767d\u71b1\u3092\u5229\u7528\u3057\u3066\u6e29\u5ea6\u3092\u5224\u65ad\u3057\u3066\u304d\u305f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-gallery aligncenter has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" data-id=\"5765\" src=\"https:\/\/shincofab.com\/wp-content\/uploads\/2026\/02\/steel-temperature-color-chart-forging-guide-768x1024.jpg\" alt=\"\u30b9\u30c1\u30fc\u30eb\u6e29\u5ea6\u30ab\u30e9\u30fc\u30c1\u30e3\u30fc\u30c8\" class=\"wp-image-5765\" srcset=\"https:\/\/shincofab.com\/wp-content\/uploads\/2026\/02\/steel-temperature-color-chart-forging-guide-768x1024.jpg 768w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/02\/steel-temperature-color-chart-forging-guide-225x300.jpg 225w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/02\/steel-temperature-color-chart-forging-guide-1152x1536.jpg 1152w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/02\/steel-temperature-color-chart-forging-guide-1536x2048.jpg 1536w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/02\/steel-temperature-color-chart-forging-guide-9x12.jpg 9w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/02\/steel-temperature-color-chart-forging-guide.jpg 1773w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><\/figure>\n<\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-the-incandescence-scale\"><span class=\"ez-toc-section\" id=\"The_Incandescence_Scale\"><\/span>\u767d\u71b1\u30b9\u30b1\u30fc\u30eb<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u305d\u308c\u306f\u59cb\u307e\u308b <strong>\u307b\u306e\u304b\u306a\u8d64<\/strong>\u305d\u3057\u3066\u3001\u6b21\u306e\u3088\u3046\u306b\u306a\u308b\u3002 <strong>\u30aa\u30ec\u30f3\u30b8<\/strong>\u305d\u3057\u3066 <strong>\u30a4\u30a8\u30ed\u30fc<\/strong>\u305d\u3057\u3066\u6700\u5f8c\u306b <strong>\u30db\u30ef\u30a4\u30c8\u30fb\u30db\u30c3\u30c8<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5149\u3063\u3066\u3044\u308b\u306a\u3089 <strong>\u30db\u30ef\u30a4\u30c8<\/strong>\u878d\u70b9\u306b\u304b\u306a\u308a\u8fd1\u3065\u3044\u3066\u3044\u308b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3057\u304b\u3057\u3001\u660e\u308b\u3044\u65e5\u5dee\u3057\u306f\u3001\u305d\u306e\u8f1d\u304d\u3092\u5b9f\u969b\u3088\u308a\u3082\u305a\u3063\u3068\u51b7\u305f\u304f\u898b\u305b\u3066\u3057\u307e\u3046\u306e\u3067\u6ce8\u610f\u304c\u5fc5\u8981\u3060\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8584\u6697\u3044\u5e97\u5185\u3067\u3001 <strong>1,000\u00b0F<\/strong> \u304f\u3059\u3093\u3060\u8d64\u306e\u3088\u3046\u306b\u898b\u3048\u308b\u3002<\/li>\n\n\n\n<li>\u592a\u967d\u306e\u4e0b\u3067 <strong>1,000\u00b0F<\/strong> \u898b\u305f\u76ee\u306f...\u30c0\u30fc\u30af\u30b0\u30ec\u30fc\u306e\u91d1\u5c5e\u3002\u89e6\u3063\u3066\uff08\u706b\u50b7\u3057\u3066\uff09\u521d\u3081\u3066\u305d\u306e\u8f1d\u304d\u304c\u308f\u304b\u308b\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e38\u306b\u65e5\u9670\u3067\u30b9\u30c1\u30fc\u30eb\u30ab\u30e9\u30fc\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\u3053\u3068\uff01<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-blacksmith-s-color-guide\"><span class=\"ez-toc-section\" id=\"Blacksmiths_Color_Guide\"><\/span>\u935b\u51b6\u5c4b\u306e\u30ab\u30e9\u30fc\u30ac\u30a4\u30c9<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u76ee\u8996\u3067\u6e29\u5ea6\u3092\u5224\u65ad\u3059\u308b\u305f\u3081\u306e\u7c21\u5358\u306a\u53c2\u8003\u8868\u304c\u3042\u308b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u30b9\u30c1\u30fc\u30eb\u30fb\u30ab\u30e9\u30fc<\/th><th>\u304a\u304a\u3088\u305d\u306e\u6e29\u5ea6<\/th><th>\u92fc\u9244\u306e\u72b6\u614b<\/th><th>\u3042\u306a\u305f\u306b\u3067\u304d\u308b\u3053\u3068<\/th><\/tr><\/thead><tbody><tr><td><strong>\u30c0\u30fc\u30af\u30b0\u30ec\u30fc<\/strong><\/td><td>&lt; 1,000\u00b0C (530\u00b0C)<\/td><td>\u786c\u3044 \/ \u30cf\u30fc\u30c9<\/td><td>\u51b7\u305f\u3059\u304e\u308b\u3002\u66f2\u3052\u305f\u308a\u3001\u30cf\u30f3\u30de\u30fc\u3067\u305f\u305f\u3044\u305f\u308a\u3057\u306a\u3044\u3053\u3068\u3002\u7834\u640d\u306e\u6050\u308c\u304c\u3042\u308b\u3002<\/td><\/tr><tr><td><strong>\u307b\u306e\u304b\u306a\u8d64<\/strong><\/td><td>1,200\u00b0F - 1,500\u00b0F<\/td><td>\u6625\u3089\u3057\u3044<\/td><td>\u57fa\u672c\u7684\u306a\u66f2\u3052\u65b9\u3060\u304c\u3001\u305d\u308c\u3067\u3082\u30bf\u30d5\u3060\u3002<\/td><\/tr><tr><td><strong>\u30d6\u30e9\u30a4\u30c8\u30fb\u30aa\u30ec\u30f3\u30b8<\/strong><\/td><td>1,600\u00b0F - 1,800\u00b0F<\/td><td>\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\uff06\u30bd\u30d5\u30c8<\/td><td>\u826f\u597d\u306a\u935b\u9020\u71b1\u3002\u91cd\u3044\u6210\u5f62\u3084\u66f2\u3052\u306b\u3082\u5b89\u5168\u3002<\/td><\/tr><tr><td><strong>\u30a4\u30a8\u30ed\u30fc<\/strong><\/td><td>1,900\u00b0F - 2,100\u00b0F<\/td><td>\u975e\u5e38\u306b\u67d4\u3089\u304b\u3044\uff08\u7c98\u571f\u306e\u3088\u3046\u306a\uff09<\/td><td><strong>\u7406\u60f3\u7684\u306a\u935b\u9020\u7bc4\u56f2\u3002<\/strong>&nbsp;\u30cf\u30f3\u30de\u30fc\u306e\u4e0b\u3067\u7c21\u5358\u306b\u52d5\u304f\u3002<\/td><\/tr><tr><td><strong>\u30db\u30ef\u30a4\u30c8\u30fb\u30db\u30c3\u30c8<\/strong><\/td><td>2,200\u00b0F - 2,400\u00b0F<\/td><td>\u767a\u6c57\uff0f\u706b\u7167\u308a<\/td><td><strong>\u935b\u9020\u6eb6\u63a5\u3002<\/strong>&nbsp;\u8868\u9762\u306f\u7c98\u7740\u6027\u304c\u3042\u308b\u3002\u706b\u50b7\u3092\u3057\u306a\u3044\u3088\u3046\u306b\u6ce8\u610f\u6df1\u304f\u89b3\u5bdf\u3059\u308b\u3053\u3068\u3002<\/td><\/tr><tr><td><strong>\u30b9\u30d1\u30fc\u30ad\u30f3\u30b0<\/strong><\/td><td>&gt; 2,500\u00b0F\uff081,370\u00b0C\uff09\u4ee5\u4e0a<\/td><td>\u71c3\u713c\uff0f\u878d\u89e3<\/td><td><strong>\u7834\u58ca\u3055\u308c\u305f\u3002<\/strong>&nbsp;\u30b9\u30c1\u30fc\u30eb\u304c\u706b\u82b1\u3092\u6563\u3089\u3059\uff08\u30ab\u30fc\u30dc\u30f3\u304c\u71c3\u3048\u308b\uff09\u3002\u6b62\u3081\u3066\u6368\u3066\u308b\u3002<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u9244\u3092\u767d\u71b1\u4ee5\u4e0a\u306b\u904e\u71b1\u3059\u308b\u3068\u71c3\u3048\u59cb\u3081\u308b\u3002\u7dda\u9999\u82b1\u706b\u306e\u3088\u3046\u306b\u706b\u82b1\u304c\u6563\u308b\u3002\u3053\u308c\u306f\u91d1\u5c5e\u3092\u30c0\u30e1\u306b\u3059\u308b<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f85\u3063\u3066\u3001\u3082\u3057\u30c0\u30e1\u306b\u306a\u3063\u305f\u3089...\u76f4\u305b\u308b\u306e\uff1f\u5168\u90e8\u6eb6\u304b\u3057\u305f\u3089\u3069\u3046\u306a\u308b\u306e\uff1f\u30ea\u30b5\u30a4\u30af\u30eb\u306b\u3064\u3044\u3066\u8a71\u305d\u3046<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-happens-to-steel-after-it-melts-recyclability\"><span class=\"ez-toc-section\" id=\"What_Happens_to_Steel_After_It_Melts_Recyclability\"><\/span>\u6eb6\u3051\u305f\u9244\u306f\u3069\u3046\u306a\u308b\u306e\u304b\uff08\u30ea\u30b5\u30a4\u30af\u30eb\u6027\uff09<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u9244\u306e\u3044\u3044\u3068\u3053\u308d\u306f\u3053\u3053\u306b\u3042\u308b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f55\u5ea6\u6eb6\u304b\u3057\u3066\u3082...\u65b0\u54c1\u540c\u69d8\u306b\u623b\u308b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><a href=\"https:\/\/worldsteel.org\/wider-sustainability\/life-cycle-thinking\/about-lca-lci\/\">\u30b9\u30c1\u30fc\u30eb\u306f100%\u30ea\u30b5\u30a4\u30af\u30eb\u53ef\u80fd<\/a><\/strong> \u305d\u3057\u3066\u3001\u305d\u306e\u7279\u6027\u3092\u7121\u671f\u9650\u306b\u7dad\u6301\u3059\u308b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9306\u3073\u3064\u3044\u305f\u53e4\u3044\u8eca\u3092\u6eb6\u304b\u3057\u3066\u3001\u30d4\u30ab\u30d4\u30ab\u306e\u65b0\u3057\u3044\u69cb\u9020\u6881\u306b\u5909\u3048\u3001\u305d\u308c\u304b\u3089\u6eb6\u304b\u3059\u3053\u3068\u304c\u3067\u304d\u308b\u3002 <em>\u305d\u306e<\/em> 50\u5e74\u5f8c\u306e\u81ea\u8ee2\u8eca\u3065\u304f\u308a\u3002\u54c1\u8cea\u306f\u6c7a\u3057\u3066\u843d\u3061\u306a\u3044\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-infinite-recycling\"><span class=\"ez-toc-section\" id=\"Infinite_Recycling\"><\/span>\u7121\u9650\u30ea\u30b5\u30a4\u30af\u30eb<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u9244\u304c\u6eb6\u3051\u308b\u3068\u3001\u539f\u5b50\u69cb\u9020\u304c\u30ea\u30bb\u30c3\u30c8\u3055\u308c\u308b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u524d\u306e\u751f\u6d3b\u3067\u751f\u3058\u305f\u5fdc\u529b\u3001\u4e80\u88c2\u3001\u75b2\u52b4\u306f\u3059\u3079\u3066\u6d88\u53bb\u3055\u308c\u308b\u3002\u9ad8\u71b1\u306b\u3088\u3063\u3066\u539f\u5b50\u304c\u5b8c\u5168\u306b\u518d\u7de8\u6210\u3055\u308c\u308b\u3002\u65b0\u3057\u3044\u91d1\u5c5e\u306f\u3001\u5143\u306e\u9244\u9271\u77f3\u306e\u584a\u3068\u540c\u3058\u5f37\u5ea6\u3092\u6301\u3064\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-upcycling-vs-downcycling\"><span class=\"ez-toc-section\" id=\"Upcycling_vs_Downcycling\"><\/span>\u30a2\u30c3\u30d7\u30b5\u30a4\u30af\u30eb\u3068\u30c0\u30a6\u30f3\u30b5\u30a4\u30af\u30eb\u306e\u6bd4\u8f03<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u306f\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u3084\u7d19\u3068\u306f\u307e\u3063\u305f\u304f\u9055\u3046\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\uff08\u30c0\u30a6\u30f3\u30b5\u30a4\u30af\u30eb\uff09\uff1a<\/strong> \u30da\u30c3\u30c8\u30dc\u30c8\u30eb\u3092\u30ea\u30b5\u30a4\u30af\u30eb\u3059\u308b\u305f\u3073\u306b\u3001\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u306f\u5f31\u304f\u306a\u3063\u3066\u3044\u304f\u3002\u6700\u7d42\u7684\u306b\u306f\u5b89\u3044\u5145\u586b\u6750\u304b\u30ab\u30fc\u30da\u30c3\u30c8\u306b\u3057\u304b\u306a\u3089\u306a\u3044\u3002<\/li>\n\n\n\n<li><strong>\u30b9\u30c1\u30fc\u30eb\uff08\u30a2\u30c3\u30d7\u30b5\u30a4\u30af\u30eb\uff09\uff1a<\/strong> \u5ec3\u54c1\u7f6e\u304d\u5834\u304b\u3089\u9244\u304f\u305a\u3092\u53d6\u308a\u51fa\u3057\u3001\u305d\u308c\u3092\u6eb6\u304b\u3057\u3066\u7cbe\u88fd\u3057\u3001\u6b21\u306e\u3088\u3046\u306a\u88fd\u54c1\u306b\u5909\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002 <em>\u9ad8\u54c1\u4f4d<\/em> \u822a\u7a7a\u5b87\u5b99\u7528\u5408\u91d1\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3057\u304b\u3057\u3001\u3053\u308c\u3092\u5927\u898f\u6a21\u306b\u884c\u3046\u306b\u306f\u3001\u76f8\u5f53\u306a\u30d1\u30ef\u30fc\u304c\u5fc5\u8981\u3060\u3002\u30d7\u30ed\u30d1\u30f3\u30c8\u30fc\u30c1\u3092\u4f7f\u3046\u308f\u3051\u306b\u306f\u3044\u304b\u306a\u3044\u3002\u6bce\u65e5\u4f55\u30c8\u30f3\u3082\u306e\u9244\u3092\u6eb6\u304b\u3057\u3066\u3044\u308b\u30d7\u30ed\u306e\u6280\u3092\u898b\u3066\u307f\u3088\u3046\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-how-is-steel-melted-industrially\"><span class=\"ez-toc-section\" id=\"How_is_Steel_Melted_Industrially\"><\/span>\u92fc\u9244\u306f\u5de5\u696d\u7684\u306b\u3069\u306e\u3088\u3046\u306b\u6eb6\u304b\u3055\u308c\u308b\u306e\u304b\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u3067\u306f\u3001\u3069\u3046\u3084\u3063\u3066100\u30c8\u30f3\u306e\u9244\u3092\u6eb6\u304b\u3059\u306e\u304b\uff1f\u711a\u304d\u706b\u3092\u5927\u304d\u304f\u3059\u308c\u3070\u3044\u3044\u3068\u3044\u3046\u3082\u306e\u3067\u306f\u306a\u3044\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5de5\u696d\u7528\u92f3\u7269\u5de5\u5834\u306f\u96fb\u6c17\u3092\u4f7f\u3046\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u77f3\u70ad\u3092\u71c3\u3084\u3059\u3088\u308a\u3082\u30af\u30ea\u30fc\u30f3\u3067\u3001\u71b1\u304f\u3001\u901f\u3044\u3002\u5927\u5de5\u5834\u3067\u306f\u4e3b\u306b2\u3064\u306e\u65b9\u6cd5\u3092\u63a1\u7528\u3057\u3066\u3044\u308b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-electric-arc-furnaces\"><span class=\"ez-toc-section\" id=\"Electric_Arc_Furnaces\"><\/span>\u96fb\u6c17\u30a2\u30fc\u30af\u7089<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u306b\u3064\u3044\u3066 <strong>\u96fb\u6c17\u30a2\u30fc\u30af\u7089\uff08EAF\uff09<\/strong> \u306f\u30ea\u30b5\u30a4\u30af\u30eb\u754c\u306e\u5927\u6253\u8005\u3060\u3002\u53e4\u3044\u8eca\u3084\u6881\u306e\u30b9\u30af\u30e9\u30c3\u30d7\u3001\u7d30\u65ad\u3055\u308c\u305f\u5bb6\u96fb\u88fd\u54c1\u3092\u6eb6\u304b\u3059\u306e\u306b\u4f7f\u308f\u308c\u308b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u307e\u3055\u306b\u7a32\u59bb\u306e\u3088\u3046\u306b\u6a5f\u80fd\u3059\u308b\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5de8\u5927\u306a\u70ad\u7d20\u68d2\u304c\u5de8\u5927\u306a\u91d1\u5c5e\u304f\u305a\u306e\u934b\u306b\u4e0b\u308d\u3055\u308c\u308b\u3002<\/li>\n\n\n\n<li>\u30ed\u30c3\u30c9\u304b\u3089\u5927\u96fb\u6d41\u304c\u6d41\u308c\u51fa\u3059\u3002<\/li>\n\n\n\n<li>\u96fb\u6c17\u306f\u91d1\u5c5e\u3092\u30a2\u30fc\u30af\uff08\u30b8\u30e3\u30f3\u30d7\uff09\u3055\u305b\u3001\u52a0\u71b1\u3059\u308b\u3002 <strong>3,000\u00b0F<\/strong> \u5373\u5ea7\u306b\u3002<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u3046\u308b\u3055\u3044\u3002\u66b4\u529b\u7684\u3060\u3002\u3057\u304b\u3057\u3001\u9a5a\u304f\u307b\u3069\u901f\u3044\u3002EAF\u306f\u3001\u9306\u3073\u3064\u3044\u305f\u30ac\u30e9\u30af\u30bf\u306e\u5c71\u30921\u6642\u9593\u4ee5\u5185\u306b\u6db2\u4f53\u92fc\u306e\u30d7\u30fc\u30eb\u306b\u5909\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-induction-furnaces\"><span class=\"ez-toc-section\" id=\"Induction_Furnaces\"><\/span>\u8a98\u5c0e\u7089<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30a8\u30ec\u30af\u30c8\u30ea\u30c3\u30af\u30fb\u30a2\u30fc\u30af\u304c\u30b9\u30ec\u30c3\u30b8\u30cf\u30f3\u30de\u30fc\u306a\u3089 <strong>\u8a98\u5c0e\u7089<\/strong> \u306f\u30e1\u30b9\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3084\u7279\u5b9a\u306e\u5408\u91d1\u306e\u3088\u3046\u306a\uff09\u5c11\u91cf\u3067\u9ad8\u54c1\u8cea\u306e\u30d0\u30c3\u30c1\u306b\u4f7f\u7528\u3055\u308c\u308b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0d\u6c17\u5473\u306a\u306e\u306f\u3053\u3053\u304b\u3089\u3060\uff1a <strong>\u30d2\u30fc\u30bf\u30fc\u304c\u91d1\u5c5e\u306b\u89e6\u308c\u308b\u3053\u3068\u306f\u306a\u3044\u3002<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9285\u88fd\u306e\u30b3\u30a4\u30eb\u304c\u6eb6\u89e3\u91dc\u306e\u5916\u5074\u306b\u5dfb\u304d\u4ed8\u3044\u3066\u3044\u308b\u3002\u30b3\u30a4\u30eb\u306f\u5f37\u529b\u306a\u78c1\u5834\u3092\u767a\u751f\u3055\u305b\u3001\u305d\u306e\u78c1\u5834\u306f\u6025\u6fc0\u306b\u5909\u52d5\u3059\u308b\u3002\u3053\u306e\u76ee\u306b\u898b\u3048\u306a\u3044\u78c1\u5834\u304c\u30dd\u30c3\u30c8\u5185\u306e\u9244\u539f\u5b50\u3092\u3064\u304b\u307f\u3001\u524d\u5f8c\u306b\u63fa\u3055\u3076\u308b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u539f\u5b50\u306e\u63fa\u308c\u306b\u3088\u308b\u6469\u64e6\u304c\u5185\u5074\u304b\u3089\u71b1\u3092\u751f\u307f\u51fa\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u91d1\u5c5e\u3092\u6c5a\u67d3\u3059\u308b\u708e\u306f\u306a\u3044\u3002<\/li>\n\n\n\n<li>\u5927\u304d\u306a\u30a2\u30fc\u30af\u306f\u306a\u3044\u3002<\/li>\n\n\n\n<li>\u305f\u3060\u7d14\u7c8b\u306b\u3001\u6eb6\u3051\u305f\u92fc\u9244\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">IH\u306f\u3068\u3066\u3082\u30af\u30ea\u30fc\u30f3\u306a\u306e\u3067\u3001\u5316\u5b66\u7684\u306a\u30ec\u30b7\u30d4\u304c\u5b8c\u74a7\u3067\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3068\u304d\u306b\u4f7f\u3046\u3082\u306e\u3060\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-conclusion\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>\u7d50\u8ad6<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u92fc\u9244\u306e\u878d\u70b9\u306f1\u3064\u306e\u6570\u5b57\u3067\u306f\u306a\u3044\u3002\u878d\u70b9\u306e\u7bc4\u56f2\u306f <strong>2,500\u00b0F\u304b\u30892,800\u00b0F<\/strong>\u4e2d\u306e\u5177\u6750\u306e\u6b63\u78ba\u306a\u30b9\u30fc\u30d7\u306b\u3088\u308b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6db2\u3060\u307e\u308a\u3092\u63a2\u3059\u6eb6\u63a5\u5de5\u3067\u3042\u308c\u3001\u685c\u8272\u306e\u8272\u3092\u63a2\u3059\u935b\u51b6\u5c4b\u3067\u3042\u308c\u3001\u706b\u306b\u5b89\u5168\u306a\u69cb\u9020\u7269\u3092\u8a2d\u8a08\u3059\u308b\u30a8\u30f3\u30b8\u30cb\u30a2\u3067\u3042\u308c\u3001\u3053\u308c\u3089\u306e\u6570\u5b57\u306b\u3088\u3063\u3066\u3067\u304d\u308b\u3053\u3068\u3068\u3067\u304d\u306a\u3044\u3053\u3068\u304c\u6c7a\u307e\u308b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u30ac\u30a4\u30c9\u306b\u3042\u308b\u9ec4\u91d1\u5f8b\u3092\u5fd8\u308c\u306a\u3044\u3067\u307b\u3057\u3044\uff1a <strong>\u9244\u306f\u6fe1\u308c\u308b\u524d\u306b\u5f31\u304f\u306a\u308b\u3002<\/strong> \u5b9f\u969b\u306b\u6eb6\u3051\u308b\u9803\u306b\u306f\u3001\u69cb\u9020\u7684\u306a\u5f37\u5ea6\u306f\u3068\u3063\u304f\u306b\u5931\u308f\u308c\u3066\u3044\u308b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u71b1\u3092\u5c0a\u91cd\u3059\u308b\u3053\u3068\u304c\u3001\u9577\u6301\u3061\u3059\u308b\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3068\u3001\u3086\u304c\u3093\u3060\u308a\u5931\u6557\u3057\u305f\u308a\u3059\u308b\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u9055\u3044\u306a\u306e\u3060\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305d\u308c\u3053\u305d\u304c\u3001\u79c1\u305f\u3061\u304c\u3059\u3079\u3066\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u53d6\u308a\u7d44\u3093\u3067\u3044\u308b\u65b9\u6cd5\u306a\u306e\u3060\u3002 <strong><a href=\"\/ja\/\">\u30b7\u30f3\u30b3\u30fc\u30d5\u30a1\u30d6<\/a><\/strong>.\u79c1\u305f\u3061\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u5408\u91d1\u304c\u9ad8\u6e29\u306b\u3055\u3089\u3055\u308c\u308b\u9593\u306b\u3069\u306e\u3088\u3046\u306b\u53cd\u5fdc\u3059\u308b\u304b\u3092\u7406\u89e3\u3057\u3066\u3044\u307e\u3059\u3002<a href=\"\/ja\/laser-cutting-service\/\"> \u30ab\u30c3\u30c6\u30a3\u30f3\u30b0<\/a> \u305d\u3057\u3066 <a href=\"\/ja\/metal-welding-service\/\">\u6eb6\u63a5<\/a>\u6700\u7d42\u7684\u306a\u30b7\u30fc\u30c8\u30e1\u30bf\u30eb\u88fd\u54c1\u306e\u5f37\u5ea6\u3001\u7cbe\u5ea6\u3001\u8010\u4e45\u6027\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3060\u304b\u3089\u3001\u5408\u91d1\u306e\u30b0\u30ec\u30fc\u30c9\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3001\u6c17\u6e29\u306b\u6ce8\u610f\u3057\u3001\u5b89\u5168\u306b\u904e\u3054\u3057\u3066\u307b\u3057\u3044\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>Whether you are firing up a backyard forge, dialing in a welder, or just curious about how hot a fire needs to be to liquidize a car engine, you need to know the numbers. But here is the tricky part: Steel doesn\u2019t have just one melting point. Because steel is a mix of different ingredients, [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":5763,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-5761","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.6.1 (Yoast SEO v27.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Steel Melting Points: The Ultimate Guide for Welders &amp; Fabricators<\/title>\n<meta name=\"description\" content=\"Steel melts at 2,500-2,800\u00b0F but fails much sooner. 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