[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.clzt.cz\/kotlova-ocel-nejen-pro-vyrobu-parnich-kotlu\/#Article","mainEntityOfPage":"https:\/\/www.clzt.cz\/kotlova-ocel-nejen-pro-vyrobu-parnich-kotlu\/","headline":"Kotlov\u00e1 ocel (nejen) pro v\u00fdrobu parn\u00edch kotl\u016f","name":"Kotlov\u00e1 ocel (nejen) pro v\u00fdrobu parn\u00edch kotl\u016f","description":"Kdy\u017e vyplouval parn\u00edk Titanic na svou prvn\u00ed a z\u00e1rove\u0148 posledn\u00ed plavbu z britsk\u00e9ho Southamptonu, v jeho podpalub\u00ed bylo um\u00edst\u011bno neuv\u011b\u0159iteln\u00fdch dvacet dev\u011bt parn\u00edch kotl\u016f. Ob\u0159\u00ed lo\u010f tehdy poh\u00e1n\u011blo \u0161est kotelen, kter\u00e9 vyr\u00e1b\u011bly p\u00e1ru pro n\u00edzkotlakou parn\u00ed turb\u00ednu a z\u00e1rove\u0148 pro dva parn\u00ed stroje. Dok\u00e1\u017eete si p\u0159edstavit pohybovat se v takov\u00e9m prost\u0159ed\u00ed podpalub\u00ed zaoce\u00e1nsk\u00e9ho parn\u00edku? T\u00edmto […]","datePublished":"2025-07-04","dateModified":"2025-07-04","author":{"@type":"Person","@id":"https:\/\/www.clzt.cz\/author\/#Person","name":"","url":"https:\/\/www.clzt.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/59b0e4716b6bc16861d789b0eb3efe04cb591482277f92a016ec4356fe735210?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/59b0e4716b6bc16861d789b0eb3efe04cb591482277f92a016ec4356fe735210?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"clzt.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.clzt.cz\/wp-content\/uploads\/steam-locomotive-2536324_640.jpg","url":"https:\/\/www.clzt.cz\/wp-content\/uploads\/steam-locomotive-2536324_640.jpg","height":0,"width":0},"url":"https:\/\/www.clzt.cz\/kotlova-ocel-nejen-pro-vyrobu-parnich-kotlu\/","about":["Nakupov\u00e1n\u00ed"],"wordCount":380,"articleBody":"      Kdy\u017e vyplouval parn\u00edk Titanic na svou prvn\u00ed a z\u00e1rove\u0148 posledn\u00ed plavbu z britsk\u00e9ho Southamptonu, v jeho podpalub\u00ed bylo um\u00edst\u011bno neuv\u011b\u0159iteln\u00fdch dvacet dev\u011bt parn\u00edch kotl\u016f. Ob\u0159\u00ed lo\u010f tehdy poh\u00e1n\u011blo \u0161est kotelen, kter\u00e9 vyr\u00e1b\u011bly p\u00e1ru pro n\u00edzkotlakou parn\u00ed turb\u00ednu a z\u00e1rove\u0148 pro dva parn\u00ed stroje. Dok\u00e1\u017eete si p\u0159edstavit pohybovat se v takov\u00e9m prost\u0159ed\u00ed podpalub\u00ed zaoce\u00e1nsk\u00e9ho parn\u00edku? T\u00edmto v\u00e1m chceme nazna\u010dit, \u017ee existuje tzv. kotlov\u00e1 ocel, kter\u00e1 si snadno porad\u00ed s vysok\u00fdmi tlaky a teplotami. M\u016f\u017ee to b\u00fdt bu\u010f ocel ozna\u010den\u00e1 jako P265GH, kterou zn\u00e1me i pod ozna\u010den\u00edm podle st\u00e1tn\u00ed normy jako \u010cSN 11 416. Anebo kotlov\u00e1 ocel P250GH neboli podle normy \u010cSN 12 024. Kotlov\u00e1 ocel P250GH se vyzna\u010duje zna\u010dnou pevnost\u00ed a hou\u017eevnatost\u00ed. Z\u00e1rove\u0148 je ocel dob\u0159e sva\u0159iteln\u00e1 a ta\u017en\u00e1, co\u017e j\u00ed dovoluje zhotovit pot\u0159ebn\u00fd tvar r\u016fzn\u00fdch v\u00fdrobk\u016f. Kotlov\u00e1 ocel P250GH odol\u00e1v\u00e1 velmi vysok\u00fdm teplot\u00e1m a tak\u00e9 teplotn\u00edm v\u00fdkyv\u016fm, co\u017e j\u00ed d\u00e1v\u00e1 p\u0159edpoklady pro praktick\u00e9 vyu\u017eit\u00ed ve stroj\u00edrenstv\u00ed, v energetice, v petrochemii a tak\u00e9 p\u0159i v\u00fdrob\u011b tlakov\u00fdch n\u00e1dob. Kotlov\u00e1 ocel P250GH je u\u0161lechtil\u00fd materi\u00e1l s leguj\u00edc\u00edmi prvky k\u0159em\u00edkem, manganem, chromem, molybdenem, niklem a m\u011bd\u00ed a d\u00edky sv\u00e9mu chemick\u00e9mu slo\u017een\u00ed lze zaznamenat \u00fasp\u011bch v r\u016fzn\u00fdch odv\u011btv\u00edch v\u00fdroby, kde jsou na ocelov\u00fd materi\u00e1l kladeny zna\u010dn\u00e9 n\u00e1roky pro v\u00fddr\u017e p\u0159i vysok\u00fdch teplot\u00e1ch a tlac\u00edch.Tento ocelov\u00fd polotovar se dod\u00e1v\u00e1 na trh v podob\u011b kruhov\u00fdch v\u00e1lcovan\u00fdch ty\u010d\u00ed a kovan\u00fdch ty\u010d\u00ed. Ocel\u00e1rny v\u0161ak nedod\u00e1vaj\u00ed na trh pouze kotlovou ocel. Sortiment v\u00fdroby oceli dopl\u0148uje i lo\u017eiskov\u00e1 ocel, vysoce legovan\u00e9 nerezov\u00e9 oceli, n\u00edzkouhl\u00edkov\u00e1 legovan\u00e1 ocel, cementa\u010dn\u00ed ocel, konstruk\u010dn\u00ed ocel, nitrida\u010dn\u00ed ocel \u010di pru\u017einov\u00e1 ocel a tyto polotovary jsou pot\u0159ebn\u00e9 pro velmi \u0161irok\u00e9 rozp\u011bt\u00ed pr\u016fmyslov\u00e9 v\u00fdroby. Ocel je zkr\u00e1tka st\u00e1le d\u016fle\u017eitou surovinou, bez n\u00ed\u017e se sou\u010dasn\u00e9 lidstvo neobejde.                                                                                                                                                                                                                                                                                                                                                                                                  "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Kotlov\u00e1 ocel (nejen) pro v\u00fdrobu parn\u00edch kotl\u016f","item":"https:\/\/www.clzt.cz\/kotlova-ocel-nejen-pro-vyrobu-parnich-kotlu\/#breadcrumbitem"}]}]