[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.urasenke.cz\/vyznate-se-v-ocelich\/#Article","mainEntityOfPage":"https:\/\/www.urasenke.cz\/vyznate-se-v-ocelich\/","headline":"Vyzn\u00e1te se v ocel\u00edch","name":"Vyzn\u00e1te se v ocel\u00edch","description":"Zn\u00e1te tu reklamu z devades\u00e1t\u00fdch let na n\u00e1t\u011brov\u00e9 hmoty Hammerite, kde se ve vtipn\u00e9m sloganu...","datePublished":"2025-03-24","dateModified":"2025-03-24","author":{"@type":"Person","@id":"https:\/\/www.urasenke.cz\/author\/devene\/#Person","name":"devene","url":"https:\/\/www.urasenke.cz\/author\/devene\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/9514fe8d0d5bc6f8b5e285c47f6d71536ab35446ffb077fff11f6ca1fa8b00ce?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/9514fe8d0d5bc6f8b5e285c47f6d71536ab35446ffb077fff11f6ca1fa8b00ce?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"urasenke.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.urasenke.cz\/wp-content\/uploads\/railway-7914047_640_1.jpg","url":"https:\/\/www.urasenke.cz\/wp-content\/uploads\/railway-7914047_640_1.jpg","height":0,"width":0},"url":"https:\/\/www.urasenke.cz\/vyznate-se-v-ocelich\/","about":["Produkty"],"wordCount":401,"articleBody":"   Zn\u00e1te tu reklamu z devades\u00e1t\u00fdch let na n\u00e1t\u011brov\u00e9 hmoty Hammerite, kde se ve vtipn\u00e9m sloganu objevili ryt\u00ed\u0159i v plechov\u00e9m brn\u011bn\u00ed, aby zobrazili vliv koroze na tyto kovov\u00e9 pl\u00e1ty? Vyslov\u00ed se tam v\u011bta. \u017de: \u201e\u017eelezo st\u00e1rne\u201c. Ano, je to tak, i tento materi\u00e1l st\u00e1rne a podl\u00e9h\u00e1 rozkladu, ov\u0161em brn\u011bn\u00ed nen\u00ed \u017eelezn\u00e9, ale ocelov\u00e9. Jak\u00fd je vlastn\u011b rozd\u00edl mezi ocel\u00ed a \u017eelezem? Vyzn\u00e1te se v tom? Ocel je slitina \u017eeleza s uhl\u00edkem, v tom spo\u010d\u00edv\u00e1 z\u00e1sadn\u00ed rozd\u00edl. V\u00fdroba oceli prob\u00edh\u00e1 v ocel\u00e1rn\u00e1ch a to tak (zjednodu\u0161en\u011b \u0159e\u010deno), \u017ee se do roztaven\u00e9 \u017eelezn\u00e9 rudy do vs\u00e1zky vysok\u00fdch pec\u00ed p\u0159id\u00e1v\u00e1 uhl\u00edk (koks), aby \u017eelezo obohatil. Kombinace ur\u010dit\u00e9ho mno\u017estv\u00ed uhl\u00edku v \u017eeleze vytvo\u0159\u00ed krystalickou m\u0159\u00ed\u017eku kovu pevn\u011bj\u0161\u00ed a tvrd\u0161\u00ed, a t\u00edm p\u00e1dem se d\u00e1 \u017eelezo l\u00e9pe vyu\u017e\u00edt na pestrou plej\u00e1du v\u00fdrobk\u016f.Jestli\u017ee se nyn\u00ed zam\u011b\u0159\u00edme na druhy ocel\u00ed, rozli\u0161ujeme takzvan\u00e9 t\u0159\u00eddy ocel\u00ed odstup\u0148ovan\u00e9 \u010d\u00edsly 10 a\u017e 19. T\u0159\u00eddy 11 a\u017e 12 jsou konstruk\u010dn\u00ed uhl\u00edkov\u00e9 oceli, zn\u00e1m\u00e9 nap\u0159\u00edklad jako vlakov\u00e9 kolejnice, plotov\u00e9 trubky, plechy, profily I, U, jekly apod. A ocel t\u0159\u00eddy 10 je stavebn\u00ed ocel. Ocel t\u0159\u00eddy 13 je hlavn\u011b pru\u017einov\u00e1 ocel a ocel t\u0159\u00eddy 14 je n\u00edzkolegovan\u00e1 u\u0161lechtil\u00e1 ocel p\u0159ev\u00e1\u017en\u011b chromem nap\u0159\u00edklad pro v\u00fdrobu ozuben\u00fdch kol. Oceli t\u0159\u00eddy 15 se leguj\u00ed molybdenem a oceli t\u0159\u00eddy 16 se leguj\u00ed niklem a dal\u0161\u00edmi u\u0161lechtil\u00fdmi kovy.Ocel t\u0159\u00eddy 18 je ur\u010dena pro tzv. pr\u00e1\u0161kovou metalurgii (slinut\u00e9 karbidy) a oceli t\u0159\u00eddy 19 jsou v\u00fdhradn\u011b n\u00e1strojov\u00e9 oceli.Zvl\u00e1\u0161tn\u00ed postaven\u00ed m\u00e1 ocel t\u0159\u00eddy 17, zde se jedn\u00e1 o materi\u00e1l odoln\u00fd v\u016f\u010di korozi (nerezov\u00e1 ocel) a materi\u00e1ly \u017e\u00e1ruvzdorn\u00e9 a \u017e\u00e1rupevn\u00e9. Ocel t\u0159\u00eddy 17 je tedy speci\u00e1ln\u00ed, nap\u0159\u00edklad takov\u00e1 st\u0159edn\u011b legovan\u00e1 cementa\u010dn\u00ed ocel, velice pevn\u00e1 a hou\u017eevnat\u00e1, odoln\u00e1 v\u016f\u010di opot\u0159eben\u00ed p\u0159i zna\u010dn\u00e9m nam\u00e1h\u00e1n\u00ed, tvrd\u00e1 a odoln\u00e1 proti p\u016fsoben\u00ed koroze. Cementa\u010dn\u00ed ocel se vyu\u017eije v automobilov\u00e9m pr\u016fmyslu, ve stroj\u00edrenstv\u00ed pro v\u00fdrobu strojn\u00edch sou\u010d\u00e1st\u00ed, v leteck\u00e9m pr\u016fmyslu a v energetice i v jin\u00fdch odv\u011btv\u00edch v\u00fdroby.                                                                                                                                                                                                                                                                                                                                                                                          4\/5 - (9 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Vyzn\u00e1te se v ocel\u00edch","item":"https:\/\/www.urasenke.cz\/vyznate-se-v-ocelich\/#breadcrumbitem"}]}]