{"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\/cs\/steel-melting-points\/","title":{"rendered":"Body t\u00e1n\u00ed oceli: Sva\u0159ov\u00e1n\u00ed a v\u00fdroba oceli: dokonal\u00fd pr\u016fvodce pro sv\u00e1\u0159e\u010de a v\u00fdrobce."},"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=\"sva\u0159ov\u00e1n\u00ed oceli\" 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, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/02\/steel-welding-768x432.jpg 768w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/02\/steel-welding-1536x864.jpg 1536w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/02\/steel-welding-18x10.jpg 18w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/02\/steel-welding.jpg 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">A\u0165 u\u017e rozd\u011bl\u00e1v\u00e1te ohe\u0148 v kov\u00e1rn\u011b na zahrad\u011b, vyt\u00e1\u010d\u00edte sv\u00e1\u0159e\u010dku nebo v\u00e1s jen zaj\u00edm\u00e1, jak hork\u00fd mus\u00ed b\u00fdt ohe\u0148, aby zkapalnil motor auta, pot\u0159ebujete zn\u00e1t \u010d\u00edsla.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ale tady je ta z\u00e1ludn\u00e1 \u010d\u00e1st: Ocel nem\u00e1 jen jeden bod t\u00e1n\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Proto\u017ee ocel je sm\u011bs r\u016fzn\u00fdch slo\u017eek, pt\u00e1t se na jej\u00ed bod t\u00e1n\u00ed je jako pt\u00e1t se, jak dlouho p\u00e9ct dort. Z\u00e1le\u017e\u00ed na receptu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pokud tato \u010d\u00edsla uvedete \u0161patn\u011b, m\u016f\u017ee se v\u00e1m st\u00e1t, \u017ee si do sva\u0159ovac\u00edho projektu prop\u00e1l\u00edte d\u00edru, nebo dokonce postav\u00edte konstrukci, kter\u00e1 se po zah\u0159\u00e1t\u00ed zhrout\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V t\u00e9to p\u0159\u00edru\u010dce vynech\u00e1v\u00e1m slo\u017eit\u00e9 p\u0159edn\u00e1\u0161ky o chemii. Uvedu v\u00e1m p\u0159esn\u00e9 teplotn\u00ed rozsahy nejb\u011b\u017en\u011bj\u0161\u00edch typ\u016f oceli, vysv\u011btl\u00edm, pro\u010d se m\u011bn\u00ed, a uk\u00e1\u017eu v\u00e1m, jak posoudit teplo pouh\u00fdm pohledem na barvu.<\/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>Tov\u00e1rn\u00ed perspektiva<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Jako mana\u017eer ve spole\u010dnosti ShincoFab, kter\u00fd denn\u011b pracuje s plechem, se obvykle neboj\u00edm, \u017ee se ocel zm\u011bn\u00ed v tekutou lou\u017ei, pokud nejsme ve sva\u0159ovn\u011b. V na\u0161\u00ed tov\u00e1rn\u011b nen\u00ed znalost teploty t\u00e1n\u00ed jen mali\u010dkost\u00ed. Ur\u010duje, jak nastavujeme v\u00fdkon na na\u0161ich vl\u00e1knov\u00fdch laserov\u00fdch \u0159eza\u010dk\u00e1ch a jak kontrolujeme tepeln\u00e9 deformace p\u0159i mont\u00e1\u017ei.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pokud \u0161patn\u011b odhadneme tepeln\u00e9 vlastnosti ur\u010dit\u00e9 t\u0159\u00eddy, nejen\u017ee se n\u00e1m povede \u0161patn\u00fd svar, ale zni\u010d\u00edme i drah\u00e9 d\u00edly z\u00e1kazn\u00edka. Tak\u017ee zat\u00edmco v\u00e1m vysv\u011btl\u00edm v\u011bdeck\u00e9 poznatky, pod\u011bl\u00edm se s v\u00e1mi tak\u00e9 o to, jak se tato \u010d\u00edsla skute\u010dn\u011b projevuj\u00ed v tov\u00e1rn\u011b.<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">Poj\u010fme rovnou k \u010d\u00edsl\u016fm.<\/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 class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Obsah<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">P\u0159ep\u00edna\u010d<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/shincofab.com\/cs\/steel-melting-points\/#What_is_the_Melting_Point_of_Steel\" >Jak\u00fd je bod t\u00e1n\u00ed oceli?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/shincofab.com\/cs\/steel-melting-points\/#Why_There_Is_No_Single_Number\" >Pro\u010d neexistuje jedin\u00e9 \u010d\u00edslo<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/shincofab.com\/cs\/steel-melting-points\/#Melting_Points_of_Common_Steel_Types\" >Body t\u00e1n\u00ed b\u011b\u017en\u00fdch typ\u016f oceli<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/shincofab.com\/cs\/steel-melting-points\/#Carbon_Steel\" >Uhl\u00edkov\u00e1 ocel<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/shincofab.com\/cs\/steel-melting-points\/#Stainless_Steel\" >Nerezov\u00e1 ocel<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/shincofab.com\/cs\/steel-melting-points\/#Tool_and_Alloy_Steels\" >N\u00e1strojov\u00e9 a legovan\u00e9 oceli<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/shincofab.com\/cs\/steel-melting-points\/#Cheat_Sheet_Melting_Points_by_Grade\" >Cheat Sheet: Teploty t\u00e1n\u00ed podle t\u0159\u00edd<\/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\/cs\/steel-melting-points\/#Why_Does_the_Melting_Point_Change\" >Pro\u010d se m\u011bn\u00ed bod t\u00e1n\u00ed?<\/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\/cs\/steel-melting-points\/#The_Role_of_Carbon_The_%E2%80%9CSalt_on_Ice%E2%80%9D_Effect\" >\u00daloha uhl\u00edku: efekt \"soli na ledu\"<\/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\/cs\/steel-melting-points\/#Other_Ingredients\" >Dal\u0161\u00ed slo\u017eky<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/shincofab.com\/cs\/steel-melting-points\/#Steel_Compared_to_Other_Metals\" >Ocel ve srovn\u00e1n\u00ed s ostatn\u00edmi kovy<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/shincofab.com\/cs\/steel-melting-points\/#Steel_vs_Aluminum\" >Ocel vs. hlin\u00edk<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/shincofab.com\/cs\/steel-melting-points\/#Steel_vs_Iron_and_Titanium\" >Ocel vs. \u017eelezo a titan<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/shincofab.com\/cs\/steel-melting-points\/#Steel_vs_Lead_and_Copper\" >Ocel vs. olovo a m\u011b\u010f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/shincofab.com\/cs\/steel-melting-points\/#Metal_Melting_Cheat_Sheet\" >Taven\u00ed kov\u016f Cheat Sheet<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/shincofab.com\/cs\/steel-melting-points\/#Why_You_Should_Care_About_These_Numbers\" >Pro\u010d by v\u00e1s tato \u010d\u00edsla m\u011bla zaj\u00edmat<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/shincofab.com\/cs\/steel-melting-points\/#For_Casting_and_Molding\" >Pro odl\u00e9v\u00e1n\u00ed a lisov\u00e1n\u00ed<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/shincofab.com\/cs\/steel-melting-points\/#Safety_and_Fire_Resistance\" >Bezpe\u010dnost a po\u017e\u00e1rn\u00ed odolnost<\/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\/cs\/steel-melting-points\/#Melting_vs_Failing_A_Critical_Warning\" >T\u00e1n\u00ed vs. selh\u00e1n\u00ed: Kritick\u00e9 varov\u00e1n\u00ed<\/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\/cs\/steel-melting-points\/#Losing_Strength_Before_Melting\" >Ztr\u00e1ta s\u00edly p\u0159ed roztaven\u00edm<\/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\/cs\/steel-melting-points\/#Structural_Integrity_in_High_Heat\" >Struktur\u00e1ln\u00ed integrita p\u0159i vysok\u00fdch teplot\u00e1ch<\/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\/cs\/steel-melting-points\/#Can_You_Melt_Steel_at_Home_The_DIY_Reality\" >Lze doma tavit ocel? (Realita pro kutily)<\/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\/cs\/steel-melting-points\/#Propane_Forges_vs_Charcoal\" >Propanov\u00e9 kov\u00e1rny vs. d\u0159ev\u011bn\u00e9 uhl\u00ed<\/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\/cs\/steel-melting-points\/#Softening_vs_Liquefying\" >Zm\u011bk\u010dov\u00e1n\u00ed vs. zkapal\u0148ov\u00e1n\u00ed<\/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\/cs\/steel-melting-points\/#Judging_Temperature_by_Color_Without_a_Thermometer\" >Ur\u010dov\u00e1n\u00ed teploty podle barvy (bez teplom\u011bru)<\/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\/cs\/steel-melting-points\/#The_Incandescence_Scale\" >Stupnice \u017ehavosti<\/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\/cs\/steel-melting-points\/#Blacksmiths_Color_Guide\" >Kov\u00e1\u0159\u016fv pr\u016fvodce barvami<\/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\/cs\/steel-melting-points\/#What_Happens_to_Steel_After_It_Melts_Recyclability\" >Co se stane s ocel\u00ed po roztaven\u00ed? (Recyklovatelnost)<\/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\/cs\/steel-melting-points\/#Infinite_Recycling\" >Nekone\u010dn\u00e1 recyklace<\/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\/cs\/steel-melting-points\/#Upcycling_vs_Downcycling\" >Upcyklace vs. downcyklace<\/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\/cs\/steel-melting-points\/#How_is_Steel_Melted_Industrially\" >Jak se ocel pr\u016fmyslov\u011b tav\u00ed?<\/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\/cs\/steel-melting-points\/#Electric_Arc_Furnaces\" >Elektrick\u00e9 obloukov\u00e9 pece<\/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\/cs\/steel-melting-points\/#Induction_Furnaces\" >Induk\u010dn\u00ed pece<\/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\/cs\/steel-melting-points\/#Conclusion\" >Z\u00e1v\u011br<\/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>Jak\u00fd je bod t\u00e1n\u00ed oceli?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Pokud sp\u011bch\u00e1te a pot\u0159ebujete jen \u010d\u00edsla, tady jsou.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Obecn\u011b se ocel tav\u00ed p\u0159i teplot\u00e1ch mezi 2 500 \u00b0F a 2 800 \u00b0F (1 370 \u00b0C a 1 540 \u00b0C).<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pro p\u0159edstavu, je to v\u011bt\u0161\u00ed \u017e\u00e1r ne\u017e sope\u010dn\u00e1 l\u00e1va. L\u00e1va obvykle te\u010de p\u0159i teplot\u011b kolem 2 200 \u00b0C. Ocel pot\u0159ebuje po\u0159\u00e1dn\u00fd \u017e\u00e1r, aby se zm\u011bnila v tekutou lou\u017ei.<\/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>Pro\u010d neexistuje jedin\u00e9 \u010d\u00edslo<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Mo\u017en\u00e1 se div\u00edte, pro\u010d je toto rozp\u011bt\u00ed tak \u0161irok\u00e9. Rozd\u00edl 300 stup\u0148\u016f je obrovsk\u00fd.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u016fvod je jednoduch\u00fd: <strong>Ocel nen\u00ed \u010dist\u00fd prvek.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pokud tav\u00edte \u010dist\u00e9 zlato, v\u017edy se tav\u00ed p\u0159esn\u011b p\u0159i teplot\u011b 1 948 \u00b0F. Ocel je v\u0161ak slitina. P\u0159edstavte si ji jako hrnec pol\u00e9vky.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>V\u00fdvar:<\/strong> Hlavn\u00ed slo\u017ekou je \u017eelezo.<\/li>\n\n\n\n<li><strong>Ko\u0159en\u00ed:<\/strong> P\u0159id\u00e1v\u00e1me \"p\u0159\u00edsady\" jako uhl\u00edk, chrom, mangan a nikl.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">P\u0159i ka\u017ed\u00e9 zm\u011bn\u011b receptu se m\u011bn\u00ed bod t\u00e1n\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">P\u0159id\u00e1n\u00edm v\u011bt\u0161\u00edho mno\u017estv\u00ed uhl\u00edku se obvykle sn\u00ed\u017e\u00ed teplota t\u00e1n\u00ed. P\u0159id\u00e1n\u00ed chromu (jako u nerezov\u00e9 oceli) ji op\u011bt m\u011bn\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Abychom z\u00edskali p\u0159esn\u00e9 \u010d\u00edslo, mus\u00edme se pod\u00edvat na konkr\u00e9tn\u00ed \u00fadaje. <em>typ<\/em> oceli, kterou pou\u017e\u00edv\u00e1te. Poj\u010fme si rozebrat ty nejb\u011b\u017en\u011bj\u0161\u00ed.<\/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>Body t\u00e1n\u00ed b\u011b\u017en\u00fdch typ\u016f oceli<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">V\u011bt\u0161ina lid\u00ed \u0159\u00edk\u00e1 jen ocel, ale existuj\u00ed tis\u00edce r\u016fzn\u00fdch recept\u016f.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Konstruk\u010dn\u00ed nosn\u00edk v mrakodrapu se velmi li\u0161\u00ed od no\u017ee v kuchyni. Proto\u017ee se m\u011bn\u00ed slo\u017eky, m\u011bn\u00ed se i teplota t\u00e1n\u00ed.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-carbon-steel\"><span class=\"ez-toc-section\" id=\"Carbon_Steel\"><\/span>Uhl\u00edkov\u00e1 ocel<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Jedn\u00e1 se o nejb\u011b\u017en\u011bj\u0161\u00ed typ oceli. Pou\u017e\u00edv\u00e1 se na stavby, mosty a r\u00e1my automobil\u016f.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>N\u00edzkouhl\u00edkov\u00e1 (m\u011bkk\u00e1) ocel:<\/strong> Tuto mo\u017enost pova\u017eujte za z\u00e1kladn\u00ed variantu vanilky. Obsahuje velmi m\u00e1lo uhl\u00edku, tak\u017ee m\u00e1 vy\u0161\u0161\u00ed bod t\u00e1n\u00ed (kolem 1,5 \u00b0C). <strong>2,700\u00b0F<\/strong>).<\/li>\n\n\n\n<li><strong>Vysoce uhl\u00edkov\u00e1 ocel:<\/strong> Tohle je t\u011b\u017e\u0161\u00ed a siln\u011bj\u0161\u00ed. Pou\u017e\u00edv\u00e1 se na pru\u017einy a vysokopevnostn\u00ed dr\u00e1ty. P\u0159ekvapiv\u011b, <strong>p\u0159id\u00e1n\u00ed v\u011bt\u0161\u00edho mno\u017estv\u00ed uhl\u00edku ve skute\u010dnosti sni\u017euje bod t\u00e1n\u00ed.<\/strong>. Ocel s vysok\u00fdm obsahem uhl\u00edku se tav\u00ed bl\u00ed\u017ee k <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>Nerezov\u00e1 ocel<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Tohle zn\u00e1te. Je leskl\u00e1 a nerezav\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Aby byla ocel nerezov\u00e1, p\u0159id\u00e1vaj\u00ed v\u00fdrobci chrom. Ten p\u016fsob\u00ed jako \u0161t\u00edt proti korozi. B\u011b\u017en\u00e9 druhy jako nap\u0159. <strong><a href=\"https:\/\/matweb.com\/search\/datasheet.aspx?MatGUID=171e90f9d2ca4b0db99963f86adcbe74&amp;ckck=1l\">nerezov\u00e1 ocel 304 a 316<\/a><\/strong> (pou\u017e\u00edvan\u00e9 v kuchy\u0148sk\u00fdch d\u0159ezech a lodn\u00edm p\u0159\u00edslu\u0161enstv\u00ed) se tav\u00ed p\u0159i teplot\u00e1ch kolem 2 550 a\u017e 2 650 \u00b0C.<\/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>N\u00e1strojov\u00e9 a legovan\u00e9 oceli<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Jedn\u00e1 se o elitn\u00ed oper\u00e1tory ocel\u00e1\u0159sk\u00e9ho sv\u011bta.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u00e1strojov\u00e9 oceli obsahuj\u00ed hou\u017eevnat\u00e9 prvky, jako je wolfram, kobalt nebo vanad. Jsou ur\u010deny k \u0159ez\u00e1n\u00ed jin\u00fdch kov\u016f. D\u00edky sv\u00e9 tvrdosti si \u010dasto zachov\u00e1vaj\u00ed pevnost p\u0159i vysok\u00fdch teplot\u00e1ch l\u00e9pe ne\u017e z\u00e1kladn\u00ed uhl\u00edkov\u00e1 ocel, i kdy\u017e jejich teplota t\u00e1n\u00ed je podobn\u00e1.<\/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>Cheat Sheet: Teploty t\u00e1n\u00ed podle t\u0159\u00edd<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Zde je rychl\u00e1 referen\u010dn\u00ed tabulka zalo\u017een\u00e1 na standardu <strong><a href=\"https:\/\/www.matweb.com\/\">\u00fadaje o vlastnostech materi\u00e1lu<\/a><\/strong> a pom\u016f\u017ee v\u00e1m naj\u00edt p\u0159esn\u00e9 \u010d\u00edslo, kter\u00e9 pot\u0159ebujete.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>T\u0159\u00edda oceli<\/th><th>Bod t\u00e1n\u00ed (\u00b0F)<\/th><th>Bod t\u00e1n\u00ed (\u00b0C)<\/th><th>B\u011b\u017en\u00e9 pou\u017eit\u00ed<\/th><\/tr><\/thead><tbody><tr><td><strong>1018 (n\u00edzkouhl\u00edkov\u00e1)<\/strong><\/td><td>2 590\u00b0F - 2 750\u00b0F<\/td><td>1 420 \u00b0C - 1 510 \u00b0C<\/td><td>Konzoly, mont\u00e1\u017en\u00ed desky, konstruk\u010dn\u00ed nosn\u00edky<\/td><\/tr><tr><td><strong>1095 (vysok\u00fd obsah uhl\u00edku)<\/strong><\/td><td>2 460\u00b0F - 2 680\u00b0F<\/td><td>1 350 \u00b0C - 1 470 \u00b0C<\/td><td>No\u017ee, pru\u017einy, \u0159ezn\u00e9 n\u00e1stroje<\/td><\/tr><tr><td><strong>304 Nerezov\u00e1 ocel<\/strong><\/td><td>2 550\u00b0F - 2 650\u00b0F<\/td><td>1 400 \u00b0C - 1 455 \u00b0C<\/td><td>Kuchy\u0148sk\u00e9 d\u0159ezy, n\u00e1dob\u00ed, potrub\u00ed<\/td><\/tr><tr><td><strong>316 Nerezov\u00e1 ocel<\/strong><\/td><td>2 500\u00b0F - 2 550\u00b0F<\/td><td>1 370 \u00b0C - 1 400 \u00b0C<\/td><td>N\u00e1mo\u0159n\u00ed hardware, n\u00e1dr\u017ee na chemik\u00e1lie<\/td><\/tr><tr><td><strong>N\u00e1strojov\u00e1 ocel D2<\/strong><\/td><td>2 500\u00b0F - 2 600\u00b0F<\/td><td>1 370 \u00b0C - 1 425 \u00b0C<\/td><td>Pr\u016fmyslov\u00e9 fr\u00e9zy, vrt\u00e1ky<\/td><\/tr><tr><td><strong>Litina<\/strong><\/td><td>2 060\u00b0F - 2 200\u00b0F<\/td><td>1 127 \u00b0C - 1 204 \u00b0C<\/td><td>Kastroly, bloky motor\u016f, poklopy \u0161achet<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Pozn\u00e1mka: Pro srovn\u00e1n\u00ed jsem dole uvedl i litinu. V\u0161imn\u011bte si, o kolik ni\u017e\u0161\u00ed je jej\u00ed teplota t\u00e1n\u00ed ve srovn\u00e1n\u00ed s ocel\u00ed!<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Te\u010f, kdy\u017e m\u00e1te \u010d\u00edsla, v\u00e1s mo\u017en\u00e1 zaj\u00edm\u00e1. <strong>pro\u010d<\/strong> p\u0159id\u00e1n\u00edm uhl\u00edku klesne teplota t\u00e1n\u00ed. Zd\u00e1 se to b\u00fdt obr\u00e1cen\u011b, \u017ee? Vysv\u011btl\u00edme si to d\u00e1le.<\/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>Pro\u010d se m\u011bn\u00ed bod t\u00e1n\u00ed?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Mohlo by v\u00e1s napadnout, \u017ee p\u0159id\u00e1n\u00edm siln\u00fdch materi\u00e1l\u016f, jako je uhl\u00edk, se ocel h\u016f\u0159e tav\u00ed. Ve skute\u010dnosti je tomu naopak.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Zde je jednoduch\u00fd v\u011bdeck\u00fd z\u00e1klad.<\/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>\u00daloha uhl\u00edku: efekt \"soli na ledu\"<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u010cist\u00e9 \u017eelezo je tvrdohlav\u00e9. Jeho atomy jsou uzav\u0159eny v t\u011bsn\u00e9, dokonal\u00e9 m\u0159\u00ed\u017ece. K rozbit\u00ed t\u00e9to m\u0159\u00ed\u017eky a p\u0159em\u011bn\u011b na kapalinu je zapot\u0159eb\u00ed obrovsk\u00e9 mno\u017estv\u00ed tepeln\u00e9 energie (2 800 \u00b0C).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Uhl\u00edk se chov\u00e1 jako s\u016fl na ledu.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kdy\u017e posypete zledovat\u011bl\u00fd chodn\u00edk sol\u00ed, led rychleji roztaje. S\u016fl naru\u0161uje krystalky vody.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Uhl\u00edk d\u011bl\u00e1 tot\u00e9\u017e se \u017eelezem.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>N\u00edzkouhl\u00edkov\u00e1 ocel:<\/strong> M\u00e1 velmi m\u00e1lo uhl\u00edku. Atomy \u017eeleza jsou t\u011bsn\u00e9. Vysok\u00fd bod t\u00e1n\u00ed.<\/li>\n\n\n\n<li><strong>Vysoce uhl\u00edkov\u00e1 ocel:<\/strong> M\u00e1 v\u00edce uhl\u00edku. Atomy jsou naru\u0161en\u00e9. Ni\u017e\u0161\u00ed teplota t\u00e1n\u00ed.<\/li>\n\n\n\n<li><strong>Litina:<\/strong> M\u00e1 <em>\u0161ar\u017ee<\/em> uhl\u00edku (2-4%). Tav\u00ed se p\u0159i mnohem ni\u017e\u0161\u00ed teplot\u011b (p\u0159ibli\u017en\u011b 2 200 \u00b0F).<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Proto kov\u00e1\u0159i miluj\u00ed vysokouhl\u00edkovou ocel. L\u00e9pe se s n\u00ed pracuje, proto\u017ee m\u011bkne p\u0159i ni\u017e\u0161\u00edch teplot\u00e1ch.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-other-ingredients\"><span class=\"ez-toc-section\" id=\"Other_Ingredients\"><\/span>Dal\u0161\u00ed slo\u017eky<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Nejde jen o uhl\u00edk. Do hrnce h\u00e1z\u00edme nejr\u016fzn\u011bj\u0161\u00ed v\u011bci, kter\u00e9 m\u011bn\u00ed vlastnosti oceli.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Chrom:<\/strong> To je kouzeln\u00e1 slo\u017eka nerezov\u00e9 oceli. Zabra\u0148uje korozi. P\u0159id\u00e1n\u00ed chromu obecn\u011b m\u00edrn\u011b sni\u017euje bod t\u00e1n\u00ed ve srovn\u00e1n\u00ed s \u010dist\u00fdm \u017eelezem.<\/li>\n\n\n\n<li><strong>Nikl:<\/strong> \u010casto se p\u0159id\u00e1v\u00e1, aby byla ocel p\u0159i n\u00edzk\u00fdch teplot\u00e1ch tvrd\u0161\u00ed. Stejn\u011b jako uhl\u00edk obvykle sni\u017euje bod t\u00e1n\u00ed.<\/li>\n\n\n\n<li><strong>Wolfram:<\/strong> V\u00fdjimka z pravidla. Wolfram m\u00e1 nejvy\u0161\u0161\u00ed teplotu t\u00e1n\u00ed ze v\u0161ech kov\u016f. Jeho p\u0159id\u00e1n\u00ed (jako u n\u00e1strojov\u00e9 oceli) m\u016f\u017ee skute\u010dn\u011b pomoci oceli udr\u017eet si tvar p\u0159i extr\u00e9mn\u00edm \u017e\u00e1ru.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ocel tedy nen\u00ed jen jeden kov. Je to rodina kov\u016f. A stejn\u011b jako va\u0161e rodina se ka\u017ed\u00fd jej\u00ed \u010dlen chov\u00e1 trochu jinak.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Jak si ale ocel stoj\u00ed v porovn\u00e1n\u00ed s jin\u00fdmi kovy, kter\u00e9 m\u016f\u017eete m\u00edt v gar\u00e1\u017ei, jako je hlin\u00edk nebo m\u011b\u010f? Pod\u00edvejme se na jejich skladbu.<\/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>Ocel ve srovn\u00e1n\u00ed s ostatn\u00edmi kovy<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Jak je na tom ocel?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Jde jen o \u010d\u00edsla, ale ta jsou d\u016fle\u017eit\u00e1 pro skute\u010dn\u00fd \u017eivot. Pokud sva\u0159ujete nebo stav\u00edte ohni\u0161t\u011b, mus\u00edte v\u011bd\u011bt, kter\u00fd kov se zkapaln\u00ed jako prvn\u00ed.<\/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>Ocel vs. hlin\u00edk<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\">Taven\u00ed hlin\u00edku <strong>bleskurychle<\/strong>.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Hlin\u00edk:<\/strong> 1 220\u00b0F (660\u00b0C).<\/li>\n\n\n\n<li><strong>Ocel:<\/strong> 2 500\u00b0F (1 370\u00b0C).<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Kdy\u017e d\u00e1te hlin\u00edkovou plechovku do ohn\u011b, zmiz\u00ed. Na roztaven\u00ed oceli je pot\u0159eba po\u0159\u00e1dn\u00fd \u017e\u00e1r.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hlin\u00edk p\u0159ed roztaven\u00edm tak\u00e9 nesv\u00edt\u00ed \u010derven\u011b. V jednu chv\u00edli je pevn\u00fd a za chv\u00edli je z n\u011bj lou\u017ee na podlaze. Bu\u010fte opatrn\u00ed.<\/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>Ocel vs. \u017eelezo a titan<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Jedn\u00e1 se o t\u011bsn\u011bj\u0161\u00ed souboj.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Litina:<\/strong> Ve skute\u010dnosti se tav\u00ed d\u0159\u00edve ne\u017e ocel (kolem 2 200 \u00b0F). Proto\u017ee obsahuje tolik uhl\u00edku, chov\u00e1 se jako slan\u00fd led.<\/li>\n\n\n\n<li><strong>Titan:<\/strong> V\u00edt\u011bz. Rozpou\u0161t\u00ed se p\u0159i spaluj\u00edc\u00ed teplot\u011b <strong>3,034\u00b0F (1,668\u00b0C)<\/strong>. Proto se v proudov\u00fdch motorech pou\u017e\u00edv\u00e1 titan. Ocel by se p\u0159i takov\u00e9m \u017e\u00e1ru zm\u011bnila ve \u0161pagety.<\/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>Ocel vs. olovo a m\u011b\u010f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Olovo m\u016f\u017eete roztavit na kuchy\u0148sk\u00e9m spor\u00e1ku. Ned\u011blejte to, proto\u017ee <strong><a href=\"https:\/\/www.cdc.gov\/niosh\/lead\/about\/index.html\">v\u00fdpary jsou toxick\u00e9 a nebezpe\u010dn\u00e9<\/a><\/strong>, ale m\u016f\u017eete.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Olovo se tav\u00ed pr\u00e1v\u011b p\u0159i <strong>620\u00b0F<\/strong>. M\u011b\u010f je tvrd\u0161\u00ed (1984 \u00b0C), ale st\u00e1le se tav\u00ed mnohem d\u0159\u00edve ne\u017e ocel.<\/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>Taven\u00ed kov\u016f Cheat Sheet<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Zde je rychl\u00e1 referen\u010dn\u00ed tabulka. Na str\u00e1nk\u00e1ch <strong>Obt\u00ed\u017enost taven\u00ed<\/strong> sloupec v\u00e1m p\u0159esn\u011b uk\u00e1\u017ee, jak\u00e9 vybaven\u00ed je pot\u0159eba<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Kov<\/th><th>Bod t\u00e1n\u00ed (\u00b0F)<\/th><th>Bod t\u00e1n\u00ed (\u00b0C)<\/th><th>Obt\u00ed\u017enost taven\u00ed<\/th><th>Rychl\u00e1 fakta<\/th><\/tr><\/thead><tbody><tr><td><strong>Olovo<\/strong><\/td><td>620\u00b0F<\/td><td>327\u00b0C<\/td><td>\ud83d\udd25 (Kuchy\u0148sk\u00fd spor\u00e1k)<\/td><td>\u010casto se pou\u017e\u00edv\u00e1 pro st\u0159ely a ryb\u00e1\u0159sk\u00e1 z\u00e1va\u017e\u00ed.<\/td><\/tr><tr><td><strong>Hlin\u00edk<\/strong><\/td><td>1,220\u00b0F<\/td><td>660\u00b0C<\/td><td>\ud83d\udd25\ud83d\udd25 (Campfire)<\/td><td>N\u00e1hle se rozplyne, ani\u017e by se rozz\u00e1\u0159il do \u010dervena<\/td><\/tr><tr><td><strong>Silver<\/strong><\/td><td>1,763\u00b0F<\/td><td>961\u00b0C<\/td><td>\ud83d\udd25\ud83d\udd25 (Propanov\u00fd ho\u0159\u00e1k)<\/td><td>B\u011b\u017en\u00e9 pro odl\u00e9v\u00e1n\u00ed \u0161perk\u016f<\/td><\/tr><tr><td><strong>M\u011b\u010f<\/strong><\/td><td>1,984\u00b0F<\/td><td>1,085\u00b0C<\/td><td>\ud83d\udd25\ud83d\udd25\ud83d\udd25 (mal\u00e1 pec)<\/td><td>Pot\u0159ebuje specializovan\u00fd kel\u00edmek<\/td><\/tr><tr><td><strong>Litina<\/strong><\/td><td>2,200\u00b0F<\/td><td>1,204\u00b0C<\/td><td>\ud83d\udd25\ud83d\udd25\ud83d\udd25 (Uheln\u00e1 kov\u00e1rna)<\/td><td>Pou\u017e\u00edv\u00e1 se na bloky motor\u016f a n\u00e1dob\u00ed<\/td><\/tr><tr><td><strong>Ocel<\/strong><\/td><td>2,700\u00b0F<\/td><td>1,482\u00b0C<\/td><td>\ud83d\udd25\ud83d\udd25\ud83d\udd25\ud83d\udd25 (Pr\u016fmyslov\u00e9)<\/td><td>Vy\u017eaduje elektrick\u00fd oblouk nebo indukci<\/td><\/tr><tr><td><strong>Titan<\/strong><\/td><td>3,034\u00b0F<\/td><td>1,668\u00b0C<\/td><td>\ud83d\udd25\ud83d\udd25\ud83d\udd25\ud83d\udd25\ud83d\udd25 (Vakuov\u00e1 pec)<\/td><td>Nejvy\u0161\u0161\u00ed pom\u011br pevnosti a hmotnosti<\/td><\/tr><tr><td><strong>Wolfram<\/strong><\/td><td>6,192\u00b0F<\/td><td>3,422\u00b0C<\/td><td>\ud83d\udc80 (Extreme Lab)<\/td><td>Nejvy\u0161\u0161\u00ed bod t\u00e1n\u00ed ze v\u0161ech kov\u016f<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Znalost t\u011bchto \u010d\u00edsel je pro bezpe\u010dnost velmi d\u016fle\u017eit\u00e1. Nechcete p\u0159ece zvolit kov, kter\u00fd se v polovin\u011b pr\u00e1ce zm\u011bn\u00ed v kapalinu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>M\u00e1 to v\u0161ak h\u00e1\u010dek.<\/strong> To, \u017ee se ocel netav\u00ed, neznamen\u00e1, \u017ee je bezpe\u010dn\u00e1. \u010casto je bod t\u00e1n\u00ed \u0161patn\u00fdm \u010d\u00edslem, na kter\u00e9 je t\u0159eba spol\u00e9hat.<\/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>Pro\u010d by v\u00e1s tato \u010d\u00edsla m\u011bla zaj\u00edmat<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Pravd\u011bpodobn\u011b nejste chemik. Pro\u010d z\u00e1le\u017e\u00ed na tom, jestli se ocel tav\u00ed p\u0159i 2 500 nebo 2 800 \u00b0C?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Je to d\u016fle\u017eit\u00e9, proto\u017ee <strong>teplota ur\u010duje, co m\u016f\u017eete postavit.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pokud pro pec, sou\u010d\u00e1st motoru nebo ohni\u0161t\u011b vyberete \u0161patnou ocel, vystavujete se nebezpe\u010d\u00ed ne\u00fasp\u011bchu. Zde se dozv\u00edte, pro\u010d bod t\u00e1n\u00ed nen\u00ed jen mali\u010dkost.<\/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>Probl\u00e9my s v\u00fdrobou v re\u00e1ln\u00e9m sv\u011bt\u011b: \"Tepeln\u011b ovlivn\u011bn\u00e1 z\u00f3na\"<\/strong><br>P\u0159i zpracov\u00e1n\u00ed plech\u016f chceme jen z\u0159\u00eddka roztavit <em>cel\u00fd<\/em> kus. Chceme roztavit pouze mal\u00fd, kontrolovan\u00fd \u0161ev.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kdy\u017e m\u016fj t\u00fdm sva\u0159uje metodou TIG <strong>304 nerezov\u00e1 ocel<\/strong>, mus\u00edme b\u00fdt nesm\u00edrn\u011b opatrn\u00ed. Proto\u017ee nerezov\u00e1 ocel m\u00e1 ni\u017e\u0161\u00ed tepelnou vodivost a specifick\u00fd rozsah taven\u00ed, teplo se neodv\u00e1d\u00ed rychle. Pokud se sv\u00e1\u0159e\u010d zdr\u017e\u00ed p\u0159\u00edli\u0161 dlouho, neriskujeme pouze roztaven\u00ed otvoru, ale vytvo\u0159\u00edme masivn\u00ed \"tepeln\u011b ovlivn\u011bnou z\u00f3nu\" (HAZ). To zp\u016fsobuje deformaci a proh\u00fdb\u00e1n\u00ed plechu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u010casto se setk\u00e1v\u00e1me s n\u00e1vrhov\u00fdmi soubory klient\u016f, kte\u0159\u00ed s t\u00edm nepo\u010d\u00edtaj\u00ed. Zvol\u00ed materi\u00e1l s ni\u017e\u0161\u00ed teplotou t\u00e1n\u00ed, ale navrhnou jej pro sva\u0159ov\u00e1n\u00ed za vysok\u00fdch teplot. V\u00fdsledek? Pok\u0159iven\u00fd v\u00fdrobek, kter\u00fd k sob\u011b nepasuje. Pochopen\u00ed teploty t\u00e1n\u00ed n\u00e1m pom\u00e1h\u00e1 zvolit spr\u00e1vnou rychlost sva\u0159ov\u00e1n\u00ed a chladic\u00ed p\u0159\u00edpravky, aby v\u00fdrobek z\u016fstal v toleranci.<\/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>Pro odl\u00e9v\u00e1n\u00ed a lisov\u00e1n\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Chcete nal\u00edt tekutou ocel do formy? Pot\u0159ebujete pec, kter\u00e1 se dok\u00e1\u017ee rozp\u00e1lit v\u00edce ne\u017e samotn\u00fd kov.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Propanov\u00e9 kov\u00e1rny:<\/strong> skv\u011bl\u00e9 pro <em>zm\u011bk\u010den\u00ed<\/em> ocel (kov\u00e1\u0159stv\u00ed).<\/li>\n\n\n\n<li><strong>Sl\u00e9v\u00e1rny d\u0159ev\u011bn\u00e9ho uhl\u00ed:<\/strong> se sna\u017e\u00ed trvale dos\u00e1hnout teploty 2 800 \u00b0F.<\/li>\n\n\n\n<li><strong>Elektrick\u00e1 indukce:<\/strong> zlat\u00fd standard pro taven\u00ed oceli.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Pokud va\u0161e pec dosahuje teploty pouze 2 600 \u00b0C, m\u016f\u017ee se st\u00e1t, \u017ee \u00fasp\u011b\u0161n\u011b roztav\u00edte litinu, ale nepoda\u0159\u00ed se v\u00e1m roztavit n\u00edzkouhl\u00edkovou ocel. Skon\u010d\u00edte jen s horkou \u017ehavou hroudou.<\/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>Bezpe\u010dnost a po\u017e\u00e1rn\u00ed odolnost<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Konstruk\u010dn\u00ed ocel v budov\u00e1ch mus\u00ed odol\u00e1vat po\u017e\u00e1ru.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Standardn\u00ed po\u017e\u00e1ry dom\u016f ho\u0159\u00ed kolem <strong>1,100\u00b0F<\/strong>. To je hluboko pod bodem t\u00e1n\u00ed oceli (2 500 \u00b0F+). Ocelov\u00e9 nosn\u00edky se tedy p\u0159i b\u011b\u017en\u00e9m po\u017e\u00e1ru neprom\u011bn\u00ed v kapalinu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Nemus\u00ed se v\u0161ak roztavit, aby selhaly.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">To je nejz\u00e1va\u017en\u011bj\u0161\u00ed nedorozum\u011bn\u00ed, kter\u00e9 lid\u00e9 o oceli maj\u00ed. To, \u017ee nekape jako vosk ze sv\u00ed\u010dky, je\u0161t\u011b neznamen\u00e1, \u017ee dr\u017e\u00ed st\u0159echu. Promluvme si o nebezpe\u010dn\u00e9 z\u00f3n\u011b <em>p\u0159ed<\/em> bod t\u00e1n\u00ed.<\/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>T\u00e1n\u00ed vs. selh\u00e1n\u00ed: Kritick\u00e9 varov\u00e1n\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">P\u0159i po\u017e\u00e1ru vid\u00edte ocelov\u00e9 nosn\u00edky, kter\u00e9 vypadaj\u00ed naprosto v po\u0159\u00e1dku. Netav\u00ed se. Nekapou.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ty se v\u0161ak brzy zhrout\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nezam\u011b\u0148ujte teplotu t\u00e1n\u00ed za bezpe\u010dnou provozn\u00ed teplotu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Podle <strong><a href=\"https:\/\/www.aisc.org\/aisc\/solutions-center\/engineering-faqs\/112-steel-exposed-to-fire\/\">Americk\u00fd institut ocelov\u00fdch konstrukc\u00ed (AISC)<\/a><\/strong>, ocel v\u00fdrazn\u011b ztr\u00e1c\u00ed svou pevnost <em>dlouh\u00fd<\/em> ne\u017e se prom\u011bn\u00ed v tekutou lou\u017ei.<\/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>Ztr\u00e1ta s\u00edly p\u0159ed roztaven\u00edm<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">P\u0159edstavte si kousek m\u00e1sla v hork\u00e9m dni. Je\u0161t\u011b nen\u00ed tekut\u00e9, ale kdy\u017e do n\u011bj \u0161\u0165ouchnete, prstem projdete skrz.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ocel d\u011bl\u00e1 tot\u00e9\u017e.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">P\u0159i pokojov\u00e9 teplot\u011b je ocel neuv\u011b\u0159iteln\u011b tuh\u00e1. Zah\u0159ejte ji v\u0161ak na <strong>1 000\u00b0F (538\u00b0C)<\/strong>, co\u017e je m\u00e9n\u011b ne\u017e polovina jeho bodu t\u00e1n\u00ed, a ztr\u00e1c\u00ed p\u0159ibli\u017en\u011b 2,5 % sv\u00e9 hmotnosti. <strong>50% jeho meze kluzu.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nerozpou\u0161t\u00ed se, ale ztr\u00e1c\u00ed svou tuhost.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pokud ocelov\u00fd nosn\u00edk dr\u017e\u00ed t\u011b\u017ekou betonovou podlahu, v\u00edt\u011bz\u00ed gravitace. Nosn\u00edk se prohne. Podlaha se z\u0159\u00edt\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Proto se ocelov\u00e9 konstrukce \u010dasto nat\u00edraj\u00ed protipo\u017e\u00e1rn\u00edm n\u00e1st\u0159ikem. C\u00edlem nen\u00ed zabr\u00e1nit tomu, aby se ocel zni\u010dila. <em>taven\u00ed<\/em> (po\u017e\u00e1ry se m\u00e1lokdy rozho\u0159\u00ed natolik, aby to bylo mo\u017en\u00e9). C\u00edlem je udr\u017eet ocel dostate\u010dn\u011b chladnou (pod 1 000 \u00b0C), aby z\u016fstala tuh\u00e1.<\/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>Lekce z podlahy: \"Efekt trouby\"<\/strong><br>Vzpom\u00edn\u00e1m si na projekt, kdy po n\u00e1s z\u00e1kazn\u00edk cht\u011bl vyrobit dr\u017e\u00e1ky pro pr\u016fmyslovou pec s pou\u017eit\u00edm standardn\u00edch materi\u00e1l\u016f. <strong>M\u011bkk\u00e1 ocel<\/strong>. Jejich logika byla n\u00e1sleduj\u00edc\u00ed: \"Pec se zah\u0159\u00edv\u00e1 pouze na 1 000 \u00b0C a ocel se tav\u00ed p\u0159i 2 700 \u00b0C, tak\u017ee je to bezpe\u010dn\u00e9.\"<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Musel jsem zastavit v\u00fdrobu a opravit je. Ano, ocel necht\u011bla <em>tavenina<\/em>, ale p\u0159i teplot\u011b 1 000 \u00b0C ztr\u00e1c\u00ed m\u011bkk\u00e1 ocel zna\u010dnou tuhost. Konzoly by se nakonec prohnuly pod t\u00edhou stojan\u016f uvnit\u0159. P\u0159e\u0161li jsme na vysokoteplotn\u00ed slitinu, proto\u017ee jsme se pod\u00edvali na to. <em>mez kluzu p\u0159i teplot\u011b<\/em>, nikoliv pouze bod t\u00e1n\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tuto konverzaci vedeme ve spole\u010dnosti ShincoFab neust\u00e1le. To, \u017ee se neroztav\u00ed, neznamen\u00e1, \u017ee funguje.<\/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>Struktur\u00e1ln\u00ed integrita p\u0159i vysok\u00fdch teplot\u00e1ch<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u011bli byste zn\u00e1t bod selh\u00e1n\u00ed a ne jen bod t\u00e1n\u00ed. To je z\u00e1sadn\u00ed, pokud stav\u00edte n\u011bco jako ohni\u0161t\u011b nebo dr\u017e\u00e1k motoru.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>M\u011bkk\u00e1 ocel:<\/strong> Za\u010d\u00edn\u00e1 v\u00fdrazn\u011b ztr\u00e1cet s\u00edlu kolem <strong>750\u00b0F<\/strong>.<\/li>\n\n\n\n<li><strong>Nerezov\u00e1 ocel:<\/strong> l\u00e9pe si udr\u017euje svou pevnost, a\u017e do cca <strong>1,500\u00b0F<\/strong>.<\/li>\n\n\n\n<li><strong>Inconel \/ Exotick\u00e9 slitiny:<\/strong> M\u016f\u017ee z\u016fstat siln\u00fd v bl\u00edzkosti <strong>2,000\u00b0F<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Pokud tedy navrhujete pro vysok\u00e9 teploty, ignorujte bod t\u00e1n\u00ed. M\u00edsto toho se ptejte, kdy ocel ztrat\u00ed svou pevnost.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Zejm\u00e9na pokud pl\u00e1nujete zah\u0159\u00edvat a otloukat ocel sami. D\u00e1le si pov\u00edme n\u011bco o realit\u011b DIY.<\/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>Lze doma tavit ocel? (Realita pro kutily)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Pokud jste se d\u00edvali na seri\u00e1l Kovan\u00e9 v ohni, vid\u011bli jste lidi, kte\u0159\u00ed ml\u00e1tili do \u017ehnouc\u00edch \u010derven\u00fdch \u010depel\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ale m\u016f\u017eete skute\u010dn\u011b <em>tavenina<\/em> oceli do lou\u017ee tekut\u00e9ho kovu na va\u0161em dvorku?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kr\u00e1tk\u00e1 odpov\u011b\u010f: <strong>Pravd\u011bpodobn\u011b ne.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u011bt\u0161ina za\u0159\u00edzen\u00ed pro kutily m\u00e1 probl\u00e9my s dostate\u010dn\u00fdm zah\u0159\u00e1t\u00edm.<\/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>Propanov\u00e9 kov\u00e1rny vs. d\u0159ev\u011bn\u00e9 uhl\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Standardn\u00ed propanov\u00e1 kov\u00e1rna (nap\u0159\u00edklad ta, kterou si hobbyist\u00e9 kupuj\u00ed na Amazonu) m\u016f\u017ee dos\u00e1hnout p\u0159ibli\u017en\u011b <strong>2 300\u00b0F (1 260\u00b0C)<\/strong>. To je neuv\u011b\u0159iteln\u011b sexy.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ale ocel se tav\u00ed p\u0159i <strong>2,500\u00b0F+<\/strong>. Rozp\u00e1l\u00ed se do b\u011bla, ale nezm\u011bn\u00ed se v pol\u00e9vku.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>D\u0159ev\u011bn\u00e9 uhl\u00ed<\/strong> ho\u0159\u00ed h\u016f\u0159e a m\u016f\u017ee dos\u00e1hnout <strong>2,700\u00b0F<\/strong> pokud napumpujete dostatek vzduchu. Starov\u011bc\u00ed kov\u00e1\u0159i pou\u017e\u00edvali d\u0159ev\u011bn\u00e9 uhl\u00ed k taven\u00ed \u017eeleza. Ale dos\u00e1hnout trvale p\u0159esn\u00e9 teploty je t\u011b\u017ek\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mohlo by se st\u00e1t, \u017ee m\u00edsto \u010dist\u00e9ho tekut\u00e9ho n\u00e1levu budete m\u00edt ve v\u00fdsledku polorozpu\u0161t\u011bnou houbu \u017eeleza.<\/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>Zm\u011bk\u010dov\u00e1n\u00ed vs. zkapal\u0148ov\u00e1n\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Mezi kov\u00e1n\u00edm a odl\u00e9v\u00e1n\u00edm je velk\u00fd rozd\u00edl.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Kov\u00e1n\u00ed:<\/strong> Ocel zah\u0159\u00edv\u00e1te, dokud nen\u00ed m\u011bkk\u00e1 jako hl\u00edna (p\u0159ibli\u017en\u011b <strong>1 800\u00b0F - 2 200\u00b0F<\/strong>). Vytvarujete ji kladivem. To je zcela provediteln\u00e9 doma.<\/li>\n\n\n\n<li><strong>Obsazen\u00ed:<\/strong> Ocel zah\u0159\u00edv\u00e1te, dokud nen\u00ed tekut\u00e1 (nad <strong>2,600\u00b0F<\/strong>). Pot\u00e9 ji nalijte do formy. To vy\u017eaduje induk\u010dn\u00ed pec nebo specializovan\u00fd kel\u00edmek, kter\u00fd se neroztav\u00ed d\u0159\u00edve ne\u017e ocel.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Pokud jste za\u010d\u00e1te\u010dn\u00edk, dr\u017ete se kov\u00e1n\u00ed (m\u011bk\u010den\u00ed). Pokou\u0161et se doma zkapal\u0148ovat ocel je nebezpe\u010dn\u00e9 a vy\u017eaduje to drah\u00e9 vybaven\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Jak ale zjist\u00edte, zda je va\u0161e ocel dostate\u010dn\u011b hork\u00e1 bez teplom\u011bru $500? Pou\u017eijete o\u010di. Uk\u00e1\u017eu v\u00e1m, jak na to.<\/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>Ur\u010dov\u00e1n\u00ed teploty podle barvy (bez teplom\u011bru)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Nepot\u0159ebujete \u0161pi\u010dkov\u00fd teplom\u011br, abyste zjistili, zda je ocel dostate\u010dn\u011b hork\u00e1.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sta\u010d\u00ed se na n\u011bj pod\u00edvat.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Jak ocel absorbuje teplo, jej\u00ed barva se p\u0159edv\u00eddateln\u011b m\u011bn\u00ed. Kov\u00e1\u0159i vyu\u017e\u00edvaj\u00ed tuto inkrustaci k ur\u010den\u00ed teploty ji\u017e tis\u00edce let.<\/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=\"barevn\u00fd diagram teploty oceli\" 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>Stupnice \u017ehavosti<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Za\u010d\u00edn\u00e1 <strong>Slab\u011b \u010derven\u00e1<\/strong>, pak se oto\u010d\u00ed <strong>Orange<\/strong>, pak <strong>\u017dlut\u00fd<\/strong>a nakonec <strong>White Hot<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pokud sv\u00edt\u00ed <strong>B\u00edl\u00e1<\/strong>, dost\u00e1v\u00e1te se velmi bl\u00edzko bodu t\u00e1n\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ale pozor: p\u0159i jasn\u00e9m slune\u010dn\u00edm sv\u011btle vypad\u00e1 z\u00e1\u0159e mnohem chladn\u011bj\u0161\u00ed, ne\u017e ve skute\u010dnosti je.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>V tmav\u00e9m obchod\u011b, <strong>1,000\u00b0F<\/strong> vypad\u00e1 jako matn\u011b \u010derven\u00e1.<\/li>\n\n\n\n<li>Na slunci, <strong>1,000\u00b0F<\/strong> vypad\u00e1 jako... tmav\u011b \u0161ed\u00fd kov. \u017d\u00e1r uvid\u00edte, a\u017e kdy\u017e se ho dotknete (a sp\u00e1l\u00edte se).<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Barvu oceli v\u017edy kontrolujte ve st\u00ednu!<\/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>Kov\u00e1\u0159\u016fv pr\u016fvodce barvami<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Zde je stru\u010dn\u00e1 referen\u010dn\u00ed tabulka, kter\u00e1 v\u00e1m pom\u016f\u017ee posoudit teplotu od oka.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Barva oceli<\/th><th>P\u0159ibli\u017en\u00e1 teplota<\/th><th>Stav oceli<\/th><th>Co m\u016f\u017eete ud\u011blat<\/th><\/tr><\/thead><tbody><tr><td><strong>Tmav\u011b \u0161ed\u00e1<\/strong><\/td><td>&lt; 1 000\u00b0F (530\u00b0C)<\/td><td>Tuh\u00fd \/ tvrd\u00fd<\/td><td>P\u0159\u00edli\u0161 chladno. Neoh\u00fdbejte ani netlu\u010dte kladivem. Hroz\u00ed nebezpe\u010d\u00ed zlomen\u00ed.<\/td><\/tr><tr><td><strong>Slab\u011b \u010derven\u00e1<\/strong><\/td><td>1 200\u00b0F - 1 500\u00b0F<\/td><td>Pru\u017en\u00fd<\/td><td>Z\u00e1kladn\u00ed oh\u00fdb\u00e1n\u00ed, ale p\u0159esto tvrd\u00e9.<\/td><\/tr><tr><td><strong>Z\u00e1\u0159iv\u011b oran\u017eov\u00e1<\/strong><\/td><td>1 600\u00b0F - 1 800\u00b0F<\/td><td>Plastov\u00e9 a m\u011bkk\u00e9<\/td><td>Dobr\u00e9 kovac\u00ed teplo. Bezpe\u010dn\u00e9 pro t\u011b\u017ek\u00e9 tvarov\u00e1n\u00ed a oh\u00fdb\u00e1n\u00ed.<\/td><\/tr><tr><td><strong>\u017dlut\u00fd<\/strong><\/td><td>1 900\u00b0F - 2 100\u00b0F<\/td><td>Velmi m\u011bkk\u00e9 (jako hl\u00edna)<\/td><td><strong>Ide\u00e1ln\u00ed rozsah kov\u00e1n\u00ed.<\/strong>&nbsp;Snadno se pohybuje pod klad\u00edvkem.<\/td><\/tr><tr><td><strong>White Hot<\/strong><\/td><td>2 200\u00b0F - 2 400\u00b0F<\/td><td>Pocen\u00ed \/ p\u00e1len\u00ed<\/td><td><strong>Sva\u0159ov\u00e1n\u00ed kov\u00e1n\u00edm.<\/strong>&nbsp;Povrch je lepkav\u00fd. D\u00e1vejte pozor, abyste se nesp\u00e1lili.<\/td><\/tr><tr><td><strong>Jisk\u0159en\u00ed<\/strong><\/td><td>&gt; 2 500\u00b0F (1 370\u00b0C)<\/td><td>Ho\u0159en\u00ed \/ taven\u00ed<\/td><td><strong>Zni\u010deno.<\/strong>&nbsp;Ocel vyst\u0159eluje jiskry (ho\u0159\u00edc\u00ed uhl\u00edk). Zastavte a zlikvidujte.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Pokud ocel zah\u0159ejete na vy\u0161\u0161\u00ed teplotu, ne\u017e je b\u00edl\u00e1, za\u010dne se p\u00e1lit. Doslova jiskry l\u00e9taj\u00ed jako prskavky. T\u00edm se kov zni\u010d\u00ed<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Po\u010dkej, kdy\u017e to zni\u010d\u00ed\u0161... m\u016f\u017ee\u0161 to opravit? Co se stane, kdy\u017e to cel\u00e9 roztav\u00edte? Promluvme si o recyklaci.<\/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>Co se stane s ocel\u00ed po roztaven\u00ed? (Recyklovatelnost)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">To nejlep\u0161\u00ed na oceli.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nez\u00e1le\u017e\u00ed na tom, kolikr\u00e1t ho roztav\u00edte... je zase jako nov\u00fd.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><a href=\"https:\/\/worldsteel.org\/wider-sustainability\/life-cycle-thinking\/about-lca-lci\/\">Ocel 100% je recyklovateln\u00e1<\/a><\/strong> a zachov\u00e1v\u00e1 si sv\u00e9 vlastnosti po neomezenou dobu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u016f\u017eete roztavit star\u00e9 zreziv\u011bl\u00e9 auto, ud\u011blat z n\u011bj nov\u00fd leskl\u00fd konstruk\u010dn\u00ed nosn\u00edk a pak ho roztavit. <em>\u017ee<\/em> tr\u00e1m dol\u016f za 50 let, aby vyrobil j\u00edzdn\u00ed kolo. Kvalita nikdy neklesne.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-infinite-recycling\"><span class=\"ez-toc-section\" id=\"Infinite_Recycling\"><\/span>Nekone\u010dn\u00e1 recyklace<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">P\u0159i taven\u00ed oceli se atomov\u00e1 struktura obnovuje.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ve\u0161ker\u00e9 nam\u00e1h\u00e1n\u00ed, praskliny nebo \u00fanava z p\u0159edchoz\u00edho \u017eivota jsou smaz\u00e1ny. Vysok\u00e1 teplota umo\u017e\u0148uje dokonalou reorganizaci atom\u016f. Nov\u00fd kov je stejn\u011b pevn\u00fd jako p\u016fvodn\u00ed kus \u017eelezn\u00e9 rudy.<\/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>Upcyklace vs. downcyklace<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">To se velmi li\u0161\u00ed od plast\u016f nebo pap\u00edru.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Plasty (recyklace):<\/strong> P\u0159i ka\u017ed\u00e9 recyklaci plastov\u00e9 l\u00e1hve plast sl\u00e1bne. Nakonec se z n\u00ed m\u016f\u017ee st\u00e1t pouze levn\u00e1 v\u00fdpl\u0148 nebo koberec.<\/li>\n\n\n\n<li><strong>Ocel (recyklace):<\/strong> M\u016f\u017eete vz\u00edt ocelov\u00fd \u0161rot ze skl\u00e1dky, roztavit ho, vy\u010distit a vyrobit z n\u011bj ocelov\u00fd \u0161rot. <em>vysoce kvalitn\u00ed<\/em> leteck\u00e1 slitina.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">K tomu, abyste to dok\u00e1zali v masov\u00e9m m\u011b\u0159\u00edtku, v\u0161ak pot\u0159ebujete po\u0159\u00e1dn\u00fd v\u00fdkon. Nem\u016f\u017eete pou\u017e\u00edt jen propanbutanov\u00fd ho\u0159\u00e1k. Pod\u00edvejme se, jak profesion\u00e1lov\u00e9 denn\u011b tav\u00ed tuny oceli.<\/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>Jak se ocel pr\u016fmyslov\u011b tav\u00ed?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Jak tedy roztav\u00edte 100 tun pevn\u00e9 oceli? Nem\u016f\u017eete prost\u011b rozd\u011blat v\u011bt\u0161\u00ed ohni\u0161t\u011b.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pr\u016fmyslov\u00e9 sl\u00e9v\u00e1rny pou\u017e\u00edvaj\u00ed elekt\u0159inu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Je \u010dist\u0161\u00ed, teplej\u0161\u00ed a rychlej\u0161\u00ed ne\u017e spalov\u00e1n\u00ed uhl\u00ed. Velk\u00e9 tov\u00e1rny to d\u011blaj\u00ed dv\u011bma hlavn\u00edmi zp\u016fsoby.<\/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>Elektrick\u00e9 obloukov\u00e9 pece<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Na str\u00e1nk\u00e1ch <strong>Elektrick\u00e1 obloukov\u00e1 pec (EAF)<\/strong> je nejsiln\u011bj\u0161\u00edm hr\u00e1\u010dem ve sv\u011bt\u011b recyklace. Pou\u017e\u00edv\u00e1 se k taven\u00ed star\u00fdch automobil\u016f, tr\u00e1m\u016f a se\u0161rotovan\u00fdch spot\u0159ebi\u010d\u016f.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Funguje p\u0159esn\u011b jako blesk.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Ob\u0159\u00ed uhl\u00edkov\u00e9 ty\u010de se spou\u0161t\u011bj\u00ed do masivn\u00edho hrnce s kovov\u00fdm \u0161rotem.<\/li>\n\n\n\n<li>Z ty\u010d\u00ed vyst\u0159el\u00ed mohutn\u00fd elektrick\u00fd proud.<\/li>\n\n\n\n<li>Elektrick\u00fd oblouk proch\u00e1z\u00ed kovem a zah\u0159\u00edv\u00e1 ho na v\u00edce ne\u017e 100 \u00b0C. <strong>3,000\u00b0F<\/strong> okam\u017eit\u011b.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Je hlasit\u00fd. Je to n\u00e1siln\u00e9. Ale je neuv\u011b\u0159iteln\u011b rychl\u00fd. EAF dok\u00e1\u017ee prom\u011bnit hromadu rezav\u00e9ho haramp\u00e1d\u00ed v kalu\u017e tekut\u00e9 oceli za m\u00e9n\u011b ne\u017e hodinu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-induction-furnaces\"><span class=\"ez-toc-section\" id=\"Induction_Furnaces\"><\/span>Induk\u010dn\u00ed pece<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pokud je elektrick\u00fd oblouk kladivem, pak je elektrick\u00fd oblouk <strong>Induk\u010dn\u00ed pec<\/strong> je skalpel.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pou\u017e\u00edv\u00e1 se pro men\u0161\u00ed, vysoce kvalitn\u00ed d\u00e1vky (nap\u0159. nerezov\u00e1 ocel nebo specifick\u00e9 slitiny).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tady je ta stra\u0161ideln\u00e1 \u010d\u00e1st: <strong>Topn\u00e9 t\u011bleso se nikdy nedot\u00fdk\u00e1 kovu.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u011bd\u011bn\u00e1 spir\u00e1la obep\u00edn\u00e1 vn\u011bj\u0161\u00ed stranu tavic\u00edho kotle. Vytv\u00e1\u0159\u00ed siln\u00e9 magnetick\u00e9 pole, kter\u00e9 rychle kol\u00eds\u00e1. Toto neviditeln\u00e9 pole zachycuje atomy \u017eeleza uvnit\u0159 hrnce a t\u0159ese jimi sem a tam.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u0159en\u00ed zp\u016fsoben\u00e9 chv\u011bn\u00edm atom\u016f vytv\u00e1\u0159\u00ed teplo zevnit\u0159 ven.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Kov nen\u00ed kontaminov\u00e1n plamenem.<\/li>\n\n\n\n<li>\u017d\u00e1dn\u00e9 hlasit\u00e9 oblouky.<\/li>\n\n\n\n<li>Jen \u010dist\u00e1 roztaven\u00e1 ocel.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Proto\u017ee je tak \u010dist\u00e1, pou\u017e\u00edv\u00e1 se indukce, kdy\u017e mus\u00ed b\u00fdt chemick\u00e1 receptura dokonal\u00e1.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-conclusion\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Z\u00e1v\u011br<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Bod t\u00e1n\u00ed oceli nen\u00ed jen jedno \u010d\u00edslo. Pohybuje se v rozmez\u00ed <strong>2 500\u00b0F a\u017e 2 800\u00b0F<\/strong>, v z\u00e1vislosti na p\u0159esn\u00e9m slo\u017een\u00ed pol\u00e9vky uvnit\u0159.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A\u0165 u\u017e jste sv\u00e1\u0159e\u010d, kter\u00fd hled\u00e1 kapalnou lou\u017ei, kov\u00e1\u0159, kter\u00fd hled\u00e1 t\u0159e\u0161\u0148ov\u011b \u010derven\u00e9 barvy, nebo in\u017een\u00fdr, kter\u00fd navrhuje po\u017e\u00e1rn\u011b bezpe\u010dnou konstrukci, tato \u010d\u00edsla v\u00e1m ur\u010duj\u00ed, co m\u016f\u017eete a co nem\u016f\u017eete d\u011blat.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pamatujte na zlat\u00e9 pravidlo, kter\u00e9 je v t\u00e9to p\u0159\u00edru\u010dce zd\u016frazn\u011bno: <strong>Ocel zesl\u00e1bne d\u0159\u00edve, ne\u017e se namo\u010d\u00ed.<\/strong> Ne\u017e se skute\u010dn\u011b rozte\u010de, u\u017e d\u00e1vno jste ztratili struktur\u00e1ln\u00ed pevnost.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Respektov\u00e1n\u00ed tepla je rozd\u00edl mezi projektem, kter\u00fd vydr\u017e\u00ed v\u011b\u010dn\u011b, a projektem, kter\u00fd se zkrout\u00ed nebo se nepovede.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">P\u0159esn\u011b tak p\u0159istupujeme ke ka\u017ed\u00e9mu projektu ve spole\u010dnosti <strong><a href=\"\/cs\/\">ShincoFab<\/a><\/strong>. V\u00edme, jak r\u016fzn\u00e9 slitiny reaguj\u00ed na vysok\u00e9 teploty b\u011bhem.<a href=\"\/cs\/laser-cutting-service\/\"> \u0159ez\u00e1n\u00ed<\/a> a <a href=\"\/cs\/metal-welding-service\/\">sva\u0159ov\u00e1n\u00ed<\/a>, co\u017e zaru\u010duje, \u017ee kone\u010dn\u00fd v\u00fdrobek z plechu je pevn\u00fd, p\u0159esn\u00fd a odoln\u00fd.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Zkontrolujte si proto stupe\u0148 slitiny, sledujte teplotu a z\u016fsta\u0148te v bezpe\u010d\u00ed.<\/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 v27.7) - 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. Get a fabricator\u2019s guide to heat colors, exact melting points, and safety.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/shincofab.com\/cs\/steel-melting-points\/\" \/>\n<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Steel Melting Points: The Ultimate Guide for Welders &amp; Fabricators\" \/>\n<meta property=\"og:description\" content=\"Steel melts at 2,500-2,800\u00b0F but fails much sooner. Get a fabricator\u2019s guide to heat colors, exact melting points, and safety.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/shincofab.com\/cs\/steel-melting-points\/\" \/>\n<meta property=\"og:site_name\" content=\"ShincoFab\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/shincofab\/\" \/>\n<meta property=\"article:published_time\" content=\"2026-02-24T06:39:06+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-24T06:39:08+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/shincofab.com\/wp-content\/uploads\/2026\/02\/steel-welding.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1920\" \/>\n\t<meta property=\"og:image:height\" content=\"1080\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Frank\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Napsal(a)\" \/>\n\t<meta name=\"twitter:data1\" content=\"Frank\" \/>\n\t<meta name=\"twitter:label2\" content=\"Odhadovan\u00e1 doba \u010dten\u00ed\" \/>\n\t<meta name=\"twitter:data2\" content=\"15 minut\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/shincofab.com\\\/steel-melting-points\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/shincofab.com\\\/steel-melting-points\\\/\"},\"author\":{\"name\":\"Frank\",\"@id\":\"https:\\\/\\\/shincofab.com\\\/#\\\/schema\\\/person\\\/ab61969705b535fa41dc9449ac4596e9\"},\"headline\":\"Steel Melting Points: The Ultimate Guide for Welders &amp; Fabricators\",\"datePublished\":\"2026-02-24T06:39:06+00:00\",\"dateModified\":\"2026-02-24T06:39:08+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/shincofab.com\\\/steel-melting-points\\\/\"},\"wordCount\":3463,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/shincofab.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/shincofab.com\\\/steel-melting-points\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/shincofab.com\\\/wp-content\\\/uploads\\\/2026\\\/02\\\/steel-welding.jpg\",\"articleSection\":[\"Uncategorized\"],\"inLanguage\":\"cs\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/shincofab.com\\\/steel-melting-points\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/shincofab.com\\\/steel-melting-points\\\/\",\"url\":\"https:\\\/\\\/shincofab.com\\\/steel-melting-points\\\/\",\"name\":\"Steel Melting Points: The Ultimate Guide for Welders & Fabricators\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/shincofab.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/shincofab.com\\\/steel-melting-points\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/shincofab.com\\\/steel-melting-points\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/shincofab.com\\\/wp-content\\\/uploads\\\/2026\\\/02\\\/steel-welding.jpg\",\"datePublished\":\"2026-02-24T06:39:06+00:00\",\"dateModified\":\"2026-02-24T06:39:08+00:00\",\"description\":\"Steel melts at 2,500-2,800\u00b0F but fails much sooner. 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