{"id":2763,"date":"2025-05-26T10:04:05","date_gmt":"2025-05-26T08:04:05","guid":{"rendered":"https:\/\/jfkgroup.pl\/?page_id=2763"},"modified":"2025-05-26T10:06:05","modified_gmt":"2025-05-26T08:06:05","slug":"konstrukcni-ocel","status":"publish","type":"page","link":"https:\/\/jfkgroup.pl\/cs\/stal-konstrukcyjna\/","title":{"rendered":"Stavebn\u00ed ocel"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"2763\" class=\"elementor elementor-2763\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4ccf291 thegem-e-con-layout-thegem e-flex e-con-boxed e-con e-parent\" data-id=\"4ccf291\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;thegem_container_layout&quot;:&quot;thegem&quot;}\">\r\n\t\t\t\t\t<div class=\"e-con-inner\">\r\n\t\t\t\t<div class=\"elementor-element elementor-element-b3da0cb flex-horizontal-align-default flex-horizontal-align-tablet-default flex-horizontal-align-mobile-default flex-vertical-align-default flex-vertical-align-tablet-default flex-vertical-align-mobile-default elementor-widget elementor-widget-heading\" data-id=\"b3da0cb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Ocelov\u00e1 konstrukce<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-51dc895 flex-horizontal-align-default flex-horizontal-align-tablet-default flex-horizontal-align-mobile-default flex-vertical-align-default flex-vertical-align-tablet-default flex-vertical-align-mobile-default elementor-widget elementor-widget-text-editor\" data-id=\"51dc895\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\r\n\t\t\t\t\t\t<p class=\"template-p contenteditable\" data-form-name=\"p_1\">Ocel je materi\u00e1lem nej\u010dast\u011bji pou\u017e\u00edvan\u00fdm ve stavebnictv\u00ed a v procesech v\u00fdroby stroj\u016f, za\u0159\u00edzen\u00ed, automobil\u016f \u010di u\u017eitkov\u00fdch p\u0159edm\u011bt\u016f. Je to slitina \u017eeleza s p\u0159\u00eddavkem uhl\u00edku, jeho\u017e proporce ur\u010duj\u00ed fyzik\u00e1ln\u00ed vlastnosti v\u00fdrobku. Existuje mnoho druh\u016f oceli, klasifikovan\u00fdch na z\u00e1klad\u011b r\u016fzn\u00fdch krit\u00e9ri\u00ed. Jedn\u00edm z nich je\u00a0<strong>konstruk\u010dn\u00ed ocel<\/strong>.<\/p>\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0d4131d flex-horizontal-align-default flex-horizontal-align-tablet-default flex-horizontal-align-mobile-default flex-vertical-align-default flex-vertical-align-tablet-default flex-vertical-align-mobile-default elementor-widget elementor-widget-heading\" data-id=\"0d4131d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Druhy konstruk\u010dn\u00ed oceli\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cd4bd52 flex-horizontal-align-default flex-horizontal-align-tablet-default flex-horizontal-align-mobile-default flex-vertical-align-default flex-vertical-align-tablet-default flex-vertical-align-mobile-default elementor-widget elementor-widget-text-editor\" data-id=\"cd4bd52\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\r\n\t\t\t\t\t\t<p>Faktorem, kter\u00fd umo\u017e\u0148uje rozli\u0161it jednotliv\u00e9 druhy oceli, je jej\u00ed slo\u017een\u00ed. Obecn\u00e1 definice uv\u00e1d\u00ed, \u017ee se jedn\u00e1 o slitinu \u017eeleza a uhl\u00edku, p\u0159i\u010dem\u017e obsah uhl\u00edku nesm\u00ed p\u0159ekro\u010dit 2,11%. Samostatnou skupinu tvo\u0159\u00ed tzv.\u00a0<strong>stopy \u015blad\u00f3w,<\/strong>\u00a0v nich\u017e m\u016f\u017ee b\u00fdt obsah tohoto prvku vy\u0161\u0161\u00ed. To je zp\u016fsobeno obohacen\u00edm slo\u017een\u00ed leguj\u00edc\u00ed sm\u011bsi o dal\u0161\u00ed prvky, kter\u00e9 m\u011bn\u00ed vlastnosti produktu \u2013 nap\u0159. zvy\u0161uj\u00ed pevnost oceli nebo jej\u00ed tv\u00e1rnost.<\/p><p>Jak\u00e9 m\u00edsto v klasifikaci zauj\u00edm\u00e1\u00a0<strong>konstruk\u010dn\u00ed ocel<\/strong>Jedn\u00e1 se o jednu ze \u010dty\u0159 kategori\u00ed \u2013 vedle n\u00e1strojov\u00e9, stroj\u00edrensk\u00e9 a speci\u00e1ln\u00ed oceli \u2013 na kter\u00e9 se materi\u00e1l d\u011bl\u00ed s ohledem na krit\u00e9rium jeho pou\u017eit\u00ed. Pou\u017e\u00edv\u00e1 se pro stavbu r\u016fzn\u00fdch stavebn\u00edch konstrukc\u00ed, ale tak\u00e9 stroj\u016f a jejich \u010d\u00e1st\u00ed \u010di vozidel.<\/p><p>Podle klasifikace se vyr\u00e1b\u00ed a pou\u017e\u00edv\u00e1 n\u00e1sleduj\u00edc\u00ed<strong>\u00a0typy konstruk\u010dn\u00ed oceli<\/strong>:<\/p><ul><li>v\u0161eobecn\u00e9,<\/li><li>n\u00edzkostopov\u00e1,<\/li><li>vy\u0161\u0161\u00ed kvality,<\/li><li>pro tepelnou izolaci,<\/li><li>pro karbonizaci,<\/li><li>do azotowania,<\/li><li>automatick\u00e1,<\/li><li>lo\u017eiskov\u00e1,<\/li><li>pru\u017einov\u00e1,<\/li><li>transform\u00e1torov\u00e1.<\/li><\/ul>\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-c61a31f thegem-e-con-layout-thegem e-flex e-con-boxed e-con e-parent\" data-id=\"c61a31f\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;thegem_container_layout&quot;:&quot;thegem&quot;}\">\r\n\t\t\t\t\t<div class=\"e-con-inner\">\r\n\t\t\t\t<div class=\"elementor-element elementor-element-13bce84 flex-horizontal-align-default flex-horizontal-align-tablet-default flex-horizontal-align-mobile-default flex-vertical-align-default flex-vertical-align-tablet-default flex-vertical-align-mobile-default elementor-widget elementor-widget-heading\" data-id=\"13bce84\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Ozna\u010den\u00ed konstruk\u010dn\u00ed oceli\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cf3ccc3 flex-horizontal-align-default flex-horizontal-align-tablet-default flex-horizontal-align-mobile-default flex-vertical-align-default flex-vertical-align-tablet-default flex-vertical-align-mobile-default elementor-widget elementor-widget-text-editor\" data-id=\"cf3ccc3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\r\n\t\t\t\t\t\t<p>Jednotliv\u00e9\u00a0<strong>druhy kon\u0161truk\u010dnej ocele<\/strong>\u00a0li\u0161\u00ed se slo\u017een\u00edm a vlastnostmi. V praxi se nej\u010dast\u011bji pou\u017e\u00edv\u00e1 legovan\u00e1 ocel se st\u0159edn\u00edm obsahem uhl\u00edku, v n\u00ed\u017e je obsah tohoto prvku minim\u00e1ln\u011b 0,25%. Vzhledem k tomu, \u017ee r\u016fzn\u00e1 pou\u017eit\u00ed konstruk\u010dn\u00ed oceli vy\u017eaduj\u00ed p\u0159izp\u016fsoben\u00ed jej\u00edch parametr\u016f a fyzik\u00e1ln\u00edch vlastnost\u00ed konkr\u00e9tn\u00edm pot\u0159eb\u00e1m, je nezbytn\u00e9 tyto druhy p\u0159esn\u011b rozli\u0161it a ozna\u010dit.<br \/>V sou\u010dasn\u00e9 dob\u011b plat\u00ed dv\u011b normy pro v\u00fdrobu a ozna\u010dov\u00e1n\u00ed konstruk\u010dn\u00ed oceli.<\/p><ul><li>podle PN-EN 10027-1: 2007 je to zna\u010dkovac\u00ed syst\u00e9m, slo\u017een\u00fd ze symbol\u016f a \u010d\u00edslic,<\/li><li>podle PN-EN 10027-2:2015-07 je to v\u00fdhradn\u011b \u010d\u00edseln\u00fd syst\u00e9m.<\/li><\/ul><p>Ozna\u010den\u00ed konstruk\u010dn\u00ed oceli je koncipov\u00e1no tak, \u017ee konkr\u00e9tn\u00ed kombinace znak\u016f umo\u017e\u0148uje identifikovat pouze jeden druh materi\u00e1lu. V p\u0159\u00edpad\u011b \u201estar\u00e9\u201d polsk\u00e9 klasifikace jednotliv\u00e9 symboly ozna\u010dovaly vlastnosti, jako jsou: pou\u017eit\u00ed, fyzik\u00e1ln\u00ed a mechanick\u00e9 vlastnosti nebo chemick\u00e9 slo\u017een\u00ed. Evropsk\u00fd syst\u00e9m pou\u017e\u00edvan\u00fd od roku 1992 spo\u010d\u00edv\u00e1 v kombinaci jednoho p\u00edsmene a \u010d\u00edsla oceli. Standardn\u00edm ozna\u010den\u00edm konstruk\u010dn\u00ed oceli je p\u00edsmeno S.<\/p>\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7471e75 flex-horizontal-align-default flex-horizontal-align-tablet-default flex-horizontal-align-mobile-default flex-vertical-align-default flex-vertical-align-tablet-default flex-vertical-align-mobile-default elementor-widget elementor-widget-heading\" data-id=\"7471e75\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Co znamenaj\u00ed jednotliv\u00e9 symboly?\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-48a5efe flex-horizontal-align-default flex-horizontal-align-tablet-default flex-horizontal-align-mobile-default flex-vertical-align-default flex-vertical-align-tablet-default flex-vertical-align-mobile-default elementor-widget elementor-widget-text-editor\" data-id=\"48a5efe\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\r\n\t\t\t\t\t\t<p>Sou\u010dasn\u00e9 zna\u010den\u00ed konstruk\u010dn\u00edch ocel\u00ed se skl\u00e1d\u00e1 z p\u00edsmene S a t\u0159\u00ed \u010d\u00edslic. \u010c\u00edseln\u00fd symbol ozna\u010duje tzv. minim\u00e1ln\u00ed mez kluzu Re, stanovenou pro produkt o nejmen\u0161\u00ed mo\u017en\u00e9 tlou\u0161\u0165ce \u2264 16 mm. Tato hodnota je vyj\u00e1d\u0159ena v MPa. Konstruk\u010dn\u00ed oceli jsou ozna\u010deny symboly: 235, 275, 355, 420, 460, 500, 550, 620, 690, 890, 960.<\/p><p>Oproti tomu norma PN-EN 10027-2:1994 p\u0159i\u0159azuje ka\u017ed\u00e9mu druhu oceli konkr\u00e9tn\u00ed \u010d\u00edslo z p\u011bti \u010d\u00edslic ve form\u00e1tu: l.xxnn. V tomto ozna\u010den\u00ed p\u0159edstavuje 1 \u2013 slitinu \u017eeleza, xx \u2013 skupinu ocel\u00ed a nn \u2013 konkr\u00e9tn\u00ed druh ve skupin\u011b. P\u0159\u00edklad ozna\u010den\u00ed 1.4301 je typick\u00fd pro austenitickou ocel X10CrNi 18-8.<\/p><p>Rozli\u0161uje se p\u0159ibli\u017en\u011b 100 skupin ocel\u00ed s charakteristick\u00fdmi vlastnostmi a chemick\u00fdm slo\u017een\u00edm. Legovan\u00e9 konstruk\u010dn\u00ed oceli se ozna\u010duj\u00ed \u010d\u00edsly xx v rozmez\u00ed od 50 do 89.<\/p><p>V na\u0161\u00ed nab\u00eddce mimo jin\u00e9 m\u00e1me:<\/p><ul><li><strong>Ocel S355<\/strong><\/li><li><strong>Ocel S500MC<\/strong><\/li><li><strong>Ocel S700MC<\/strong><\/li><\/ul>\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-aa67c62 flex-horizontal-align-default flex-horizontal-align-tablet-default flex-horizontal-align-mobile-default flex-vertical-align-default flex-vertical-align-tablet-default flex-vertical-align-mobile-default elementor-widget elementor-widget-heading\" data-id=\"aa67c62\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Cenov\u00e1 konstrukce<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-55b5a82 flex-horizontal-align-default flex-horizontal-align-tablet-default flex-horizontal-align-mobile-default flex-vertical-align-default flex-vertical-align-tablet-default flex-vertical-align-mobile-default elementor-widget elementor-widget-text-editor\" data-id=\"55b5a82\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\r\n\t\t\t\t\t\t<p><strong>Cena konstruk\u010dn\u00ed oceli<\/strong>\u00a0je z\u00e1visl\u00e1 na mnoha parametrech. Ovliv\u0148uje ji tak\u00e9 obchodn\u00ed forma hotov\u00e9ho v\u00fdrobku. M\u016f\u017ee se jednat o plech o ur\u010dit\u00e9 tlou\u0161\u0165ce, ale tak\u00e9 o profily \u2013 ploch\u00e9 ty\u010de, U-profily, I-profily a jin\u00e9, v z\u00e1vislosti na pot\u0159eb\u00e1ch nebo ur\u010den\u00ed. V nab\u00eddce<strong>\u00a0Skupina JFK<\/strong>\u00a0je rozmanit\u00e1\u00a0<strong>konstruk\u010dn\u00ed ocel<\/strong>. Ceny jednotliv\u00fdch produkt\u016f jsou konkuren\u010dn\u00ed a nav\u00edc firma nab\u00edz\u00ed i mo\u017enost p\u0159edb\u011b\u017en\u00e9ho zpracov\u00e1n\u00ed z\u00e1kladn\u00edho materi\u00e1lu. P\u016fsob\u00edme hlavn\u011b na Slezsku, ale p\u0159ij\u00edm\u00e1me zak\u00e1zky z cel\u00e9 Polska. Zveme v\u00e1s do\u00a0<a href=\"https:\/\/jfkgroup.pl\/cs\/kontakt\/\">kontakt<\/a>\u00a0abyste se sezn\u00e1mili s podrobnou cenovou nab\u00eddkou.<\/p>\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Stal konstrukcyjna Stal jest materia\u0142em najcz\u0119\u015bciej wykorzystywanym w budownictwie oraz w procesach produkcji maszyn, urz\u0105dze\u0144, samochod\u00f3w czy przedmiot\u00f3w u\u017cytkowych. Jest&#8230;<\/p>","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-fullwidth.php","meta":{"footnotes":""},"class_list":["post-2763","page","type-page","status-publish"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Stal Konstrukcyjna - JFK GROUP<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jfkgroup.pl\/cs\/konstrukcni-ocel\/\" \/>\n<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Stal Konstrukcyjna - JFK GROUP\" \/>\n<meta property=\"og:description\" content=\"Stal konstrukcyjna Stal jest materia\u0142em najcz\u0119\u015bciej wykorzystywanym w budownictwie oraz w procesach produkcji maszyn, urz\u0105dze\u0144, samochod\u00f3w czy przedmiot\u00f3w u\u017cytkowych. 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