[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.holomac.cz\/ocelove-povidani\/#Article","mainEntityOfPage":"https:\/\/www.holomac.cz\/ocelove-povidani\/","headline":"Ocelov\u00e9 pov\u00edd\u00e1n\u00ed","name":"Ocelov\u00e9 pov\u00edd\u00e1n\u00ed","description":"Jak zn\u00e1mo ze \u0161koln\u00edch lavic, ocel vznik\u00e1 takzvan\u00fdm zkuj\u0148ov\u00e1n\u00edm. Nejd\u0159\u00edve to bylo dejlov\u00e1n\u00ed a teprve pak p\u0159i\u0161el pan Bessemer se sv\u00fdmi pecemi. Ani to u\u017e v\u0161ak nen\u00ed nejmodern\u011bj\u0161\u00ed postup. Nyn\u00ed se v\u011bt\u0161inou u\u017e\u00edv\u00e1 k v\u00fdrob\u011b oceli elekt\u0159iny. Postup v\u00fdroby je pom\u011brn\u011b slo\u017eit\u00fd a zde nen\u00ed dostatek m\u00edsta na podrobn\u00e9 rozbory. Skute\u010dn\u011b stru\u010dn\u011b si v\u0161ak m\u016f\u017eeme...<p class=\"more-link\"><a href=\"https:\/\/www.holomac.cz\/ocelove-povidani\/\" class=\"themebutton3\">Read More<\/a><\/p>","datePublished":"2025-01-21","dateModified":"2025-01-21","author":{"@type":"Person","@id":"https:\/\/www.holomac.cz\/author\/#Person","name":"","url":"https:\/\/www.holomac.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/4860d213c5bedfa07ff2b166ff7b069759f9dbf79eae813578c75f9f8cb939b7?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/4860d213c5bedfa07ff2b166ff7b069759f9dbf79eae813578c75f9f8cb939b7?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"holomac.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.holomac.cz\/wp-content\/uploads\/tube-898660_640_2.jpg","url":"https:\/\/www.holomac.cz\/wp-content\/uploads\/tube-898660_640_2.jpg","height":0,"width":0},"url":"https:\/\/www.holomac.cz\/ocelove-povidani\/","about":["N\u00e1kupy"],"wordCount":426,"articleBody":"      Jak zn\u00e1mo ze \u0161koln\u00edch lavic, ocel vznik\u00e1 takzvan\u00fdm zkuj\u0148ov\u00e1n\u00edm. Nejd\u0159\u00edve to bylo dejlov\u00e1n\u00ed a teprve pak p\u0159i\u0161el pan Bessemer se sv\u00fdmi pecemi. Ani to u\u017e v\u0161ak nen\u00ed nejmodern\u011bj\u0161\u00ed postup. Nyn\u00ed se v\u011bt\u0161inou u\u017e\u00edv\u00e1 k v\u00fdrob\u011b oceli elekt\u0159iny. Postup v\u00fdroby je pom\u011brn\u011b slo\u017eit\u00fd a zde nen\u00ed dostatek m\u00edsta na podrobn\u00e9 rozbory. Skute\u010dn\u011b stru\u010dn\u011b si v\u0161ak m\u016f\u017eeme \u0159\u00edci, \u017ee je\u0161t\u011b roztaven\u00e9 \u017eelezo se p\u0159iv\u00e1\u017e\u00ed do ocel\u00e1ren, kde se d\u00e1le zpracov\u00e1v\u00e1. Mohou se do n\u011bj p\u0159id\u00e1vat r\u016fzn\u00e9 p\u0159\u00edm\u011bsi, tak\u017ee t\u00edm vznikaj\u00ed r\u016fzn\u00e9 druhy oceli. Ka\u017ed\u00e1 z nich mus\u00ed splnit ur\u010dit\u00e9 parametry, aby mohla b\u00fdt pot\u00e9 nab\u00edzena kupci v t\u00e9 nejvy\u0161\u0161\u00ed kvalit\u011b. Proto nese ka\u017ed\u00e1 sv\u00e9 ozna\u010den\u00ed. V t\u011bchto zna\u010dk\u00e1ch se laik nevyzn\u00e1, ale i odborn\u00edci si je nemohou pamatovat v\u0161echny, a proto maj\u00ed tabulky ze kter\u00fdch pot\u0159ebn\u00e9 informace vy\u010dtou. V sou\u010dasn\u00e9 dob\u011b existuje p\u0159es dva tis\u00edce druh\u016f oceli. U n\u011bkter\u00e9 se m\u016f\u017eeme setkat s t\u00edmto popiskem EN 10269 Boden.cz. Co to znamen\u00e1? To je \u010d\u00edslo normy, a to normy evropsk\u00e9. Pokud se vyrob\u00ed ocel, mus\u00ed tyto normy spl\u0148ovat, aby mohla b\u00fdt v t\u00e9to kvalit\u011b prod\u00e1v\u00e1na. Proto se tak\u00e9 odeb\u00edraj\u00ed vzorky, kter\u00e9 jdou na zkoum\u00e1n\u00ed a rozbory. Zde se jednozna\u010dn\u011b ur\u010d\u00ed, zda byla dodr\u017eena technologie v\u00fdroby. Pokud ne, jde ocel do jin\u00e9 \u201e\u0161katulky\u201c, nebo spr\u00e1vn\u011bji \u0159e\u010deno do jin\u00e9 kategorie.P\u0159\u00edmo v tomto p\u0159\u00edpad\u011b se jedn\u00e1 o ocel s ozna\u010den\u00edm 25CrMo4, z \u010deho\u017e m\u016f\u017ee i laikovi vyplynout n\u00e1sleduj\u00edc\u00ed. Jde o v\u00fdrobek s p\u0159id\u00e1n\u00edm molybdenu a chromu. Jej\u00ed vyu\u017eit\u00ed je v\u00edce ne\u017e v\u0161eobecn\u00e9, tak\u017ee se s n\u00ed shled\u00e1te stejn\u011b jako u letadel tak i u automobil\u016f. Je tepeln\u011b odoln\u00e1, udr\u017e\u00ed prudk\u00e9 n\u00e1razy, a hlavn\u011b jak ji\u017e v\u00fd\u0161e naps\u00e1no je sva\u0159ovateln\u00e1. A je nab\u00edzena pr\u00e1v\u011b v t\u00e9to nejvy\u0161\u0161\u00ed kvalit\u011b. Pokud v\u00e1s tato problematika zaj\u00edm\u00e1, nebo pot\u0159ebujete nakoupit ocel pro sv\u016fj provoz a je jedno co vyr\u00e1b\u00edte, tak se m\u016f\u017eete pod\u00edvat na webov\u00e9 str\u00e1nky, kde z\u00edsk\u00e1te mnohem v\u00edce informac\u00ed. Zde si je m\u016f\u017eete prostudovat a kdy\u017e tak hned tak\u00e9 za\u010d\u00edt objedn\u00e1vat.                                                                                                                                                                                                                                                                                                                                                                                           4.4\/5 - (7 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Ocelov\u00e9 pov\u00edd\u00e1n\u00ed","item":"https:\/\/www.holomac.cz\/ocelove-povidani\/#breadcrumbitem"}]}]