{"id":25003,"date":"2025-10-29T10:14:49","date_gmt":"2025-10-29T09:14:49","guid":{"rendered":"https:\/\/www.cortenplus.com\/?p=25003"},"modified":"2025-10-30T07:22:22","modified_gmt":"2025-10-30T06:22:22","slug":"characteristics-and-composition-of-corten-steel","status":"publish","type":"post","link":"https:\/\/www.cortenplus.com\/cz\/characteristics-and-composition-of-corten-steel\/","title":{"rendered":"Charakteristika a slo\u017een\u00ed oceli Corten"},"content":{"rendered":"<p>Cortenov\u00e1 ocel, naz\u00fdvan\u00e1 tak\u00e9 pov\u011btrnostn\u011b odoln\u00e1 ocel, se stala referen\u010dn\u00edm materi\u00e1lem v architektu\u0159e, krajin\u00e1\u0159stv\u00ed a designu. D\u00edky sv\u00e9 schopnosti p\u0159irozen\u011b st\u00e1rnout, tepl\u00fdm odst\u00edn\u016fm p\u0159ipom\u00ednaj\u00edc\u00edm rez a pozoruhodn\u00e9 odolnosti proti korozi je obl\u00edben\u00e1 u profesion\u00e1l\u016f i jednotlivc\u016f, kte\u0159\u00ed hledaj\u00ed estetiku a trvanlivost.<\/p>\n\n\n\n<p>Na rozd\u00edl od b\u011b\u017en\u00e9 oceli, kter\u00e1 koroduje, dokud neztrat\u00ed svou pevnost, se na oceli Corten vytv\u00e1\u0159\u00ed ochrann\u00e1 patina, kter\u00e1 p\u016fsob\u00ed jako bari\u00e9ra proti dal\u0161\u00ed oxidaci. Tato jedine\u010dn\u00e1 vlastnost vych\u00e1z\u00ed z jej\u00edho speci\u00e1ln\u00edho slo\u017een\u00ed - p\u0159esn\u00e9 sm\u011bsi leguj\u00edc\u00edch prvk\u016f, kter\u00e9 m\u011bn\u00ed jej\u00ed reakci na vzduch, vlhkost a \u010das.<\/p>\n\n\n\n<p>Pochopen\u00ed chemick\u00e9ho slo\u017een\u00ed oceli Corten a jej\u00edch zvl\u00e1\u0161tnost\u00ed pom\u00e1h\u00e1 vysv\u011btlit, pro\u010d se chov\u00e1 jinak ne\u017e ostatn\u00ed oceli. Objas\u0148uje tak\u00e9, pro\u010d vy\u017eaduje specifick\u00fd proces o\u0161et\u0159en\u00ed a pro\u010d ji pou\u017eit\u00ed v\u00fdrobk\u016f na b\u00e1zi kyselin m\u016f\u017ee v\u00e1\u017en\u011b po\u0161kodit.<\/p>\n\n\n\n<p>Tento podrobn\u00fd \u010dl\u00e1nek se zab\u00fdv\u00e1 p\u016fvodem, slo\u017een\u00edm a chov\u00e1n\u00edm oceli Corten. P\u0159edstavuje tak\u00e9 bezpe\u010dn\u00fd a \u00fa\u010dinn\u00fd syst\u00e9m \u00fapravy Corten+, kter\u00fd urychluje a stabilizuje oxida\u010dn\u00ed proces p\u0159irozenou cestou, bez kyselin nebo \u0161kodliv\u00fdch chemik\u00e1li\u00ed.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Vznik a v\u00fdvoj oceli Corten<\/h2>\n\n\n\n<p>Cortenov\u00e1 ocel byla vyvinuta ve Spojen\u00fdch st\u00e1tech ve 30. letech 20. stolet\u00ed spole\u010dnost\u00ed United States Steel Corporation. C\u00edlem bylo vytvo\u0159it ocel, kter\u00e1 by odol\u00e1vala atmosf\u00e9rick\u00e9 korozi, ani\u017e by bylo nutn\u00e9 ji nat\u00edrat. In\u017een\u00fd\u0159i cht\u011bli materi\u00e1l, kter\u00fd by si p\u0159i kontaktu se vzduchem a vlhkost\u00ed vytvo\u0159il vlastn\u00ed ochrannou vrstvu a z\u00e1rove\u0148 si zachoval pevnost konstrukce.<\/p>\n\n\n\n<p>Vznikla tak slitina COR-TEN, jej\u00ed\u017e n\u00e1zev poch\u00e1z\u00ed ze dvou slov: Odolnost proti korozi a pevnost v tahu. Tento nov\u00fd typ oceli se nejprve pou\u017e\u00edval v \u017eelezni\u010dn\u00edch vagonech, mostech a pr\u016fmyslov\u00fdch konstrukc\u00edch, kde byla d\u016fle\u017eit\u00e1 n\u00edzk\u00e1 \u00fadr\u017eba a dlouhodob\u00e1 pevnost.<\/p>\n\n\n\n<p>V 60. letech 20. stolet\u00ed za\u010dali architekti a design\u00e9\u0159i oce\u0148ovat jeho estetick\u00e9 kvality. P\u0159\u00edrodn\u00ed patina, kter\u00e1 se na jeho povrchu vytv\u00e1\u0159\u00ed, mu dod\u00e1v\u00e1 h\u0159ejiv\u00fd, organick\u00fd vzhled, kter\u00fd se vyv\u00edj\u00ed s \u010dasem a prost\u0159ed\u00edm. Cortenov\u00e1 ocel se brzy stala obl\u00edben\u00fdm materi\u00e1lem pro sochy, fas\u00e1dy, zahradn\u00ed prvky a architektonick\u00e9 stavby.<\/p>\n\n\n\n<p>Dnes je celosv\u011btov\u011b uzn\u00e1v\u00e1n pro svou jedine\u010dnou rovnov\u00e1hu mezi technick\u00fdm proveden\u00edm a vizu\u00e1ln\u00ed p\u0159ita\u017elivost\u00ed.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Chemick\u00e9 slo\u017een\u00ed oceli Corten<\/h2>\n\n\n\n<p>Charakteristick\u00e9 chov\u00e1n\u00ed oceli Corten vych\u00e1z\u00ed z jej\u00edho slo\u017een\u00ed slitiny. Obsahuje mal\u00e9, ale z\u00e1sadn\u00ed mno\u017estv\u00ed r\u016fzn\u00fdch prvk\u016f, kter\u00e9 spole\u010dn\u011b zpomaluj\u00ed korozi a vytv\u00e1\u0159ej\u00ed stabiln\u00ed patinu, d\u00edky n\u00ed\u017e je jedine\u010dn\u00e1.<\/p>\n\n\n\n<p>Typick\u00e9 slo\u017een\u00ed oceli Corten zahrnuje:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u017delezo (Fe): P\u0159ibli\u017en\u011b 98%, hlavn\u00ed slo\u017eka v\u0161ech ocel\u00ed.<\/li>\n\n\n\n<li>Uhl\u00edk (C): p\u0159ibli\u017en\u011b 0,12%, kter\u00fd zvy\u0161uje tvrdost a mechanickou pevnost.<\/li>\n\n\n\n<li>Mangan (Mn): p\u0159ibli\u017en\u011b 0,5%, kter\u00fd zvy\u0161uje pevnost a odolnost proti n\u00e1razu.<\/li>\n\n\n\n<li>M\u011b\u010f (Cu): M\u011b\u010f (Cu): 0,25 a\u017e 0,55%, nezbytn\u00e1 pro odolnost slitiny proti korozi.<\/li>\n\n\n\n<li>Chrom (Cr): (Chrom): 0,4 a\u017e 1,25%, zvy\u0161uje p\u0159ilnavost a hustotu ochrann\u00e9 patiny.<\/li>\n\n\n\n<li>Nikl (Ni): Zlep\u0161uje hou\u017eevnatost a rovnom\u011brnost patiny.<\/li>\n\n\n\n<li>Fosfor (P): 0,07 a\u017e 0,15%, pom\u00e1h\u00e1 patin\u011b stabilizovat se a p\u0159ilnout k povrchu oceli.<\/li>\n<\/ul>\n\n\n\n<p>Tato specifick\u00e1 sm\u011bs odli\u0161uje ocel Corten od b\u011b\u017en\u00e9 uhl\u00edkov\u00e9 oceli. P\u0159\u00edtomnost m\u011bdi, chromu a niklu umo\u017e\u0148uje vytvo\u0159it pevn\u011b p\u0159ilnavou vrstvu oxidu, kter\u00e1 odol\u00e1v\u00e1 dal\u0161\u00ed korozi.<\/p>\n\n\n\n<p>Kdy\u017e je ocel vystavena st\u0159\u00eddav\u011b vlhk\u00e9mu a such\u00e9mu prost\u0159ed\u00ed, kysl\u00edk a vlhkost reaguj\u00ed s t\u011bmito leguj\u00edc\u00edmi prvky a vytv\u00e1\u0159ej\u00ed hustou vrstvu rzi, kter\u00e1 se sama chr\u00e1n\u00ed. M\u00edsto aby se odlupovala jako b\u011b\u017en\u00e1 rez, tato patina pevn\u011b p\u0159ilne k povrchu a br\u00e1n\u00ed dal\u0161\u00ed oxidaci pod n\u00edm.<\/p>\n\n\n\n<p>Pr\u00e1v\u011b tento samoregenera\u010dn\u00ed mechanismus prop\u016fj\u010duje oceli Corten jej\u00ed mimo\u0159\u00e1dnou odolnost.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Vznik a v\u00fdvoj patiny<\/h2>\n\n\n\n<p>Nejv\u00edce rozpoznateln\u00fdm znakem oceli Corten je jej\u00ed rezav\u011b zbarven\u00fd povrch. Tato rez v\u0161ak nen\u00ed stejn\u00e1 jako u b\u011b\u017en\u00e9 oceli. Jedn\u00e1 se o pe\u010dliv\u011b strukturovanou vrstvu oxid\u016f, kter\u00e1 vznikla \u0159\u00edzen\u00fdm p\u016fsoben\u00edm p\u0159\u00edrodn\u00edch \u017eivl\u016f.<\/p>\n\n\n\n<p>P\u0159i prvn\u00edm vystaven\u00ed vzduchu a vlhkosti za\u010dne povrch oceli Corten oxidovat. P\u0159\u00edtomnost m\u011bdi a chromu zp\u016fsobuje, \u017ee se oxidy st\u00e1vaj\u00ed kompaktn\u00edmi a nerozpustn\u00fdmi. Postupem \u010dasu tato vrstva zes\u00edl\u00ed a stane se stabiln\u00ed, \u010d\u00edm\u017e od\u0159\u00edzne p\u0159\u00edstup kysl\u00edku a vody k podkladov\u00e9mu kovu.<\/p>\n\n\n\n<p>K tomuto procesu doch\u00e1z\u00ed p\u0159irozen\u011b venku, zejm\u00e9na v klimatick\u00fdch podm\u00ednk\u00e1ch, kde se st\u0159\u00edd\u00e1 d\u00e9\u0161\u0165 a sucho. V z\u00e1vislosti na podm\u00ednk\u00e1ch prost\u0159ed\u00ed v\u0161ak m\u016f\u017ee trvat \u0161est m\u011bs\u00edc\u016f a\u017e n\u011bkolik let.<\/p>\n\n\n\n<p>P\u0159i trvale vlhk\u00e9m po\u010das\u00ed nebo pokud je povrch pokryt\u00fd \u0161p\u00ednou \u010di sol\u00ed, nemus\u00ed se patina spr\u00e1vn\u011b stabilizovat. V takov\u00fdch p\u0159\u00edpadech m\u016f\u017ee koroze pokra\u010dovat jako u b\u011b\u017en\u00e9 oceli. Z tohoto d\u016fvodu je pro zaji\u0161t\u011bn\u00ed spr\u00e1vn\u00e9ho v\u00fdvoje patiny z\u00e1sadn\u00ed prost\u0159ed\u00ed a po\u010d\u00e1te\u010dn\u00ed o\u0161et\u0159en\u00ed.<\/p>\n\n\n\n<p>P\u0159irozen\u00fd v\u00fdvoj barvy oceli Corten obvykle prob\u00edh\u00e1 v t\u011bchto f\u00e1z\u00edch:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Z\u00e1\u0159iv\u011b oran\u017eov\u00e1 p\u0159i zah\u00e1jen\u00ed oxidace.<\/li>\n\n\n\n<li>Po n\u011bkolika t\u00fddnech st\u0159edn\u011b oran\u017eov\u011b hn\u011bd\u00e1.<\/li>\n\n\n\n<li>Tmav\u011b hn\u011bd\u00fd nebo \u010dokol\u00e1dov\u00fd odst\u00edn po n\u011bkolika m\u011bs\u00edc\u00edch.<\/li>\n\n\n\n<li>Stabilizovan\u00e1 tmav\u011b rezav\u00e1 barva po dozr\u00e1n\u00ed patiny.<\/li>\n<\/ol>\n\n\n\n<p>Tato postupn\u00e1 prom\u011bna je sou\u010d\u00e1st\u00ed kouzla oceli Corten. Pro architektonick\u00e9 nebo design\u00e9rsk\u00e9 projekty v\u0161ak m\u016f\u017ee b\u00fdt \u010dek\u00e1n\u00ed na stabilizaci patiny v \u0159\u00e1du let nepraktick\u00e9. Zde p\u0159ich\u00e1zej\u00ed ke slovu specializovan\u00e9 oxida\u010dn\u00ed \u00fapravy, jako je Corten+, kter\u00e9 umo\u017e\u0148uj\u00ed rychl\u00fd a rovnom\u011brn\u00fd v\u00fdvoj patiny b\u011bhem n\u011bkolika hodin.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Rizika l\u00e9\u010dby na b\u00e1zi kyselin<\/h2>\n\n\n\n<p>Mnoho lid\u00ed, kte\u0159\u00ed se sna\u017e\u00ed urychlit oxidaci oceli Corten, pou\u017e\u00edv\u00e1 v\u00fdrobky na b\u00e1zi kyselin nebo podom\u00e1cku vyroben\u00e9 sm\u011bsi. Ty mohou zahrnovat kyselinu chlorovod\u00edkovou, kyselinu s\u00edrovou, ocet nebo jin\u00e9 kysel\u00e9 roztoky. Tyto metody sice rychle vytv\u00e1\u0159ej\u00ed rez, ale zp\u016fsobuj\u00ed v\u00e1\u017en\u00e9 dlouhodob\u00e9 probl\u00e9my.<\/p>\n\n\n\n<p>Kyseliny napadaj\u00ed povrch kovu bez rozd\u00edlu. Odstra\u0148uj\u00ed nejen vrstvu oxidu \u017eeleza, ale tak\u00e9 leguj\u00edc\u00ed prvky - m\u011b\u010f, chrom a nikl -, kter\u00e9 jsou zodpov\u011bdn\u00e9 za ochrann\u00e9 vlastnosti oceli Corten. Po jejich odstran\u011bn\u00ed ztr\u00e1c\u00ed ocel schopnost vytv\u00e1\u0159et stabiln\u00ed patinu.<\/p>\n\n\n\n<p>V\u00fdsledkem je nekontrolovan\u00e1 koroze, kter\u00e1 pokra\u010duje pod povrchem, i kdy\u017e se ocel navenek jev\u00ed jako zreziv\u011bl\u00e1. M\u00edsto ochrany kovu jej kysel\u00e9 o\u0161et\u0159en\u00ed m\u011bn\u00ed v b\u011b\u017enou ocel, kter\u00e1 koroduje a\u017e do perforace.<\/p>\n\n\n\n<p>\u010casem se na oceli Corten o\u0161et\u0159en\u00e9 kyselinou za\u010dnou projevovat zn\u00e1mky odlupov\u00e1n\u00ed, prask\u00e1n\u00ed a nakonec i struktur\u00e1ln\u00edho po\u0161kozen\u00ed. Jej\u00ed \u017eivotnost se ve venkovn\u00edm prost\u0159ed\u00ed \u010dasto zkracuje na m\u00e9n\u011b ne\u017e t\u0159i roky.<\/p>\n\n\n\n<p>Dal\u0161\u00edm probl\u00e9mem p\u0159i l\u00e9\u010db\u011b kyselinami je bezpe\u010dnost. Kyseliny uvol\u0148uj\u00ed nebezpe\u010dn\u00e9 v\u00fdpary a p\u0159i nespr\u00e1vn\u00e9m zach\u00e1zen\u00ed mohou zp\u016fsobit pop\u00e1leniny nebo otravu. P\u0159i oplachov\u00e1n\u00ed tak\u00e9 po\u0161kozuj\u00ed \u017eivotn\u00ed prost\u0159ed\u00ed.<\/p>\n\n\n\n<p>Syst\u00e9my na b\u00e1zi kyselin vy\u017eaduj\u00ed k zastaven\u00ed koroze neutraliza\u010dn\u00ed krok zvan\u00fd zastavovac\u00ed l\u00e1ze\u0148. Pokud je tento krok vynech\u00e1n nebo \u0161patn\u011b proveden, kyselina pokra\u010duje v po\u017e\u00edr\u00e1n\u00ed kovu donekone\u010dna.<\/p>\n\n\n\n<p>Z t\u011bchto d\u016fvod\u016f se o\u0161et\u0159en\u00ed kyselinami pro ocel Corten nedoporu\u010duje. Ohro\u017euj\u00ed bezpe\u010dnost i integritu materi\u00e1lu.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">O\u0161et\u0159en\u00ed Corten+: Bezpe\u010dn\u00e9, bezkyselinov\u00e9 a \u00fa\u010dinn\u00e9.<\/h2>\n\n\n\n<p>Aby se zabr\u00e1nilo po\u0161kozen\u00ed zp\u016fsoben\u00e9mu kyselinami, vyvinula spole\u010dnost Corten+ kompletn\u00ed syst\u00e9m o\u0161et\u0159en\u00ed ur\u010den\u00fd speci\u00e1ln\u011b pro ocel Corten. Proces Corten+ reprodukuje p\u0159irozenou oxidaci kovu pomoc\u00ed slo\u017een\u00ed bez kyselin, kter\u00e9 respektuje jeho chemick\u00e9 slo\u017een\u00ed.<\/p>\n\n\n\n<p>Nam\u00edsto koroze oceli aktivuje jej\u00ed p\u0159irozen\u00fd oxida\u010dn\u00ed mechanismus. V\u00fdsledkem je rychl\u00e1, rovnom\u011brn\u00e1 a bezpe\u010dn\u00e1 patina, kter\u00e1 zachov\u00e1v\u00e1 ochrann\u00e9 prvky uvnit\u0159 slitiny.<\/p>\n\n\n\n<p>Metoda Corten+ m\u00e1 t\u0159i kroky: p\u0159\u00edpravu povrchu, oxidaci a ochranu. Ka\u017ed\u00fd z nich je nezbytn\u00fd pro zaji\u0161t\u011bn\u00ed stability a trvanlivosti patiny.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">P\u0159\u00edprava<\/h3>\n\n\n\n<p>P\u0159ed oxidac\u00ed mus\u00ed b\u00fdt ocel dokonale \u010dist\u00e1. Ocel Corten v\u00e1lcovan\u00e1 za tepla obsahuje ml\u00fdnsk\u00fd k\u00e1men, kter\u00fd je t\u0159eba odstranit p\u00edskov\u00e1n\u00edm nebo pomoc\u00ed odv\u00e1p\u0148ova\u010de Corten+. Tento chemick\u00fd p\u0159\u00edpravek odstra\u0148uje okuje, ani\u017e by napadal kov.<\/p>\n\n\n\n<p>Ocel Corten v\u00e1lcovan\u00e1 za studena, \u010dasto pou\u017e\u00edvan\u00e1 v tenk\u00fdch plech\u00e1ch, m\u00e1 vrstvu tuku, kter\u00e1 zabra\u0148uje korozi. Tu je t\u0159eba rozpustit pomoc\u00ed odma\u0161\u0165ova\u010de Corten+, specializovan\u00e9ho \u010distic\u00edho prost\u0159edku schopn\u00e9ho odstra\u0148ovat oleje pr\u016fmyslov\u00e9 kvality.<\/p>\n\n\n\n<p>Spr\u00e1vn\u00e9 \u010di\u0161t\u011bn\u00ed zajist\u00ed rovnom\u011brnou oxidaci a spr\u00e1vn\u00e9 p\u0159ilnut\u00ed patiny.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Oxidace<\/h3>\n\n\n\n<p>Po vy\u010di\u0161t\u011bn\u00ed je povrch p\u0159ipraven k \u0159\u00edzen\u00e9 oxidaci. Na ocel se nast\u0159\u00edk\u00e1 urychlova\u010d rzi Corten+. B\u011bhem n\u011bkolika hodin za\u010dne kov m\u011bnit barvu a odhal\u00ed charakteristick\u00e9 oran\u017eov\u00e9 t\u00f3ny oceli Corten.<\/p>\n\n\n\n<p>Oxidace p\u0159irozen\u011b pokra\u010duje, dokud se patina nestabilizuje. Proto\u017ee urychlova\u010d rzi Corten+ neobsahuje \u017e\u00e1dn\u00e9 kyseliny, nehroz\u00ed riziko koroze konstrukce ani perforace. Proces se zastav\u00ed s\u00e1m, p\u0159esn\u011b jako p\u0159irozen\u00e9 zv\u011btr\u00e1v\u00e1n\u00ed, ale za zlomek \u010dasu.<\/p>\n\n\n\n<p>Nen\u00ed nutn\u00e9 \u017e\u00e1dn\u00e9 oplachov\u00e1n\u00ed ani neutralizace a v\u00fdsledkem je jednotn\u00fd, autentick\u00fd povrch rzi.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ochrana<\/h3>\n\n\n\n<p>Po dosa\u017een\u00ed po\u017eadovan\u00e9 barvy se nanese tmel Corten+. Tento bezbarv\u00fd ochrann\u00fd n\u00e1t\u011br fixuje patinu na m\u00edst\u011b, \u010d\u00edm\u017e se st\u00e1v\u00e1 vod\u011bodoln\u00fdm a zabra\u0148uje st\u00e9k\u00e1n\u00ed rzi nebo skvrn\u00e1m na okoln\u00edch povr\u0161\u00edch.<\/p>\n\n\n\n<p>T\u011bsnic\u00ed prost\u0159edek tak\u00e9 zabra\u0148uje dal\u0161\u00edmu tmavnut\u00ed oceli, tak\u017ee u\u017eivatel\u00e9 mohou zachovat p\u0159esn\u011b ten odst\u00edn, kter\u00fd preferuj\u00ed. Zabra\u0148uje vzniku kontaktn\u00edch skvrn na oble\u010den\u00ed a zachov\u00e1v\u00e1 matn\u00fd, p\u0159irozen\u00fd vzhled oceli.<\/p>\n\n\n\n<p>Tento posledn\u00ed krok zaji\u0161\u0165uje dlouhodobou ochranu. Na rozd\u00edl od oceli o\u0161et\u0159en\u00e9 kyselinou, kter\u00e1 se d\u00e1le kaz\u00ed, m\u016f\u017ee ocel Corten o\u0161et\u0159en\u00e1 p\u0159\u00edpravkem Corten+ vydr\u017eet neomezen\u011b dlouho.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">V\u00fdhody pou\u017e\u00edv\u00e1n\u00ed Corten+<\/h2>\n\n\n\n<p>Corten+ nab\u00edz\u00ed ve srovn\u00e1n\u00ed s jin\u00fdmi metodami urychlov\u00e1n\u00ed nebo ochrany proti korozi \u0159adu v\u00fdhod.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Je 100% bez kyselin, tak\u017ee nepo\u0161kozuje ocel ani u\u017eivatele.<\/li>\n\n\n\n<li>Reprodukuje p\u0159irozenou oxidaci v \u0159\u00e1du hodin, nikoli m\u011bs\u00edc\u016f.<\/li>\n\n\n\n<li>Poskytuje jednotn\u00fd, profesion\u00e1ln\u00ed povrch bez \u0161mouh a skvrn.<\/li>\n\n\n\n<li>Nepot\u0159ebuje neutraliza\u010dn\u00ed zastavovac\u00ed l\u00e1zn\u011b.<\/li>\n\n\n\n<li>P\u0159i pou\u017eit\u00ed s tmelem prodlu\u017euje \u017eivotnost oceli Corten na neomezenou dobu.<\/li>\n\n\n\n<li>Je bezpe\u010dn\u00fd pro \u017eivotn\u00ed prost\u0159ed\u00ed a snadno se pou\u017e\u00edv\u00e1.<\/li>\n\n\n\n<li>Celkov\u011b stoj\u00ed m\u00e9n\u011b, proto\u017ee vy\u017eaduje m\u00e9n\u011b produkt\u016f a \u017e\u00e1dn\u00e1 zvl\u00e1\u0161tn\u00ed bezpe\u010dnostn\u00ed opat\u0159en\u00ed.<\/li>\n<\/ol>\n\n\n\n<p>Syst\u00e9mu Corten+ d\u016fv\u011b\u0159uj\u00ed architekti, krajin\u00e1\u0159i a kovod\u011bln\u00edci po cel\u00e9m sv\u011bt\u011b. Kombinuje rychlost, bezpe\u010dnost a autenticitu, a vytv\u00e1\u0159\u00ed tak profesion\u00e1ln\u00ed v\u00fdsledky, kter\u00e9 respektuj\u00ed integritu materi\u00e1lu.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Jedine\u010dn\u00e9 estetick\u00e9 a konstruk\u010dn\u00ed vlastnosti oceli Corten<\/h2>\n\n\n\n<p>Krom\u011b chemick\u00e9ho slo\u017een\u00ed vynik\u00e1 ocel Corten sv\u00fdmi vizu\u00e1ln\u00edmi a konstruk\u010dn\u00edmi vlastnostmi. Jeho m\u011bn\u00edc\u00ed se barvy, struktura a p\u0159\u00edrodn\u00ed variace \u010din\u00ed ka\u017ed\u00fd kus jedine\u010dn\u00fdm. Povrch zachycuje plynut\u00ed \u010dasu, m\u011bn\u00ed se od jasn\u011b oran\u017eov\u00e9 po tmav\u011b hn\u011bdou a odr\u00e1\u017e\u00ed prost\u0159ed\u00ed a expozici.<\/p>\n\n\n\n<p>Architekti ji oce\u0148uj\u00ed pro jej\u00ed schopnost kombinovat se s p\u0159\u00edrodn\u00edmi materi\u00e1ly, jako je k\u00e1men, d\u0159evo a vegetace. Um\u011blci oce\u0148uj\u00ed jeho organick\u00fd v\u00fdvoj a emoce, kter\u00e9 vyvol\u00e1v\u00e1. Design\u00e9\u0159i ji pou\u017e\u00edvaj\u00ed k dod\u00e1n\u00ed tepla a kontrastu modern\u00edm prostor\u016fm.<\/p>\n\n\n\n<p>Konstruk\u010dn\u011b je ocel Corten stejn\u011b pevn\u00e1 jako b\u011b\u017en\u00e1 ocel, ale nevy\u017eaduje n\u00e1t\u011br ani pozinkov\u00e1n\u00ed. Jej\u00ed n\u00e1klady na \u00fadr\u017ebu jsou n\u00edzk\u00e9 a jej\u00ed ekologick\u00e1 stopa je men\u0161\u00ed, proto\u017ee vydr\u017e\u00ed d\u00e9le a vy\u017eaduje m\u00e9n\u011b ochrann\u00fdch n\u00e1t\u011br\u016f.<\/p>\n\n\n\n<p>Tyto vlastnosti v\u0161ak zcela z\u00e1vis\u00ed na zachov\u00e1n\u00ed jeho p\u0159irozen\u00e9 ochrann\u00e9 patiny. Pokud je povrch po\u0161kozen kyselinami nebo \u0161patn\u00fdm o\u0161et\u0159en\u00edm, tyto v\u00fdhody miz\u00ed. Proto jsou profesion\u00e1ln\u00ed syst\u00e9my bez obsahu kyselin, jako je Corten+, nezbytn\u00e9 pro zachov\u00e1n\u00ed kr\u00e1sy i dlouh\u00e9 \u017eivotnosti oceli Corten.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Aplikace a v\u00fdkon v r\u016fzn\u00fdch prost\u0159ed\u00edch<\/h2>\n\n\n\n<p>Cortenov\u00e1 ocel se pou\u017e\u00edv\u00e1 v \u0161irok\u00e9 \u0161k\u00e1le projekt\u016f, od venkovn\u00edch instalac\u00ed po architektonick\u00e9 konstrukce a krajinn\u00e9 prvky. Jej\u00ed vlastnosti se li\u0161\u00ed v z\u00e1vislosti na prost\u0159ed\u00ed.<\/p>\n\n\n\n<p>V m\u011bstsk\u00e9m prost\u0159ed\u00ed, kde je zne\u010di\u0161t\u011bn\u00e9 ovzdu\u0161\u00ed a kysel\u00e9 de\u0161t\u011b, se patina vytv\u00e1\u0159\u00ed rychle, ale mus\u00ed se stabilizovat, aby se zabr\u00e1nilo nadm\u011brn\u00e9 korozi. Pou\u017eit\u00ed tmelu Corten+ pom\u00e1h\u00e1 udr\u017eet celistvost povrchu a barvu.<\/p>\n\n\n\n<p>V pob\u0159e\u017en\u00edch oblastech m\u016f\u017ee p\u0159\u00edtomnost soli naru\u0161it tvorbu patiny. Pou\u017eit\u00ed syst\u00e9mu o\u0161et\u0159en\u00ed Corten+ zaji\u0161\u0165uje, \u017ee oxidace z\u016fstane pod kontrolou a \u017ee si ocel zachov\u00e1 odolnost v\u016f\u010di korozi navzdory slan\u00e9mu vzduchu.<\/p>\n\n\n\n<p>V such\u00e9m podneb\u00ed m\u016f\u017ee p\u0159irozen\u00e1 oxidace trvat d\u00e9le. <a href=\"https:\/\/www.cortenplus.com\/cz\/products\/rust-accelerator\/\" data-type=\"link\" data-id=\"https:\/\/www.cortenplus.com\/products\/rust-accelerator\/\">Urychlova\u010d rzi Corten+ poskytuje rychl\u00fd a rovnom\u011brn\u00fd v\u00fdsledek, tak\u017ee je ide\u00e1ln\u00ed pro such\u00e9 oblasti, kde je p\u0159irozen\u00e9 reziv\u011bn\u00ed p\u0159\u00edli\u0161 pomal\u00e9.<\/a><\/p>\n\n\n\n<p>Ve v\u0161ech t\u011bchto situac\u00edch zaru\u010duje Corten+ jednotnou a trvanlivou povrchovou \u00fapravu, kter\u00e1 odol\u00e1v\u00e1 \u010dasu, vlhkosti a vliv\u016fm prost\u0159ed\u00ed.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Srovn\u00e1n\u00ed o\u0161et\u0159en\u00ed Corten+ a o\u0161et\u0159en\u00ed kyselinou<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Typ l\u00e9\u010dby<\/th><th>Mechanismus reakce<\/th><th>Vliv na ocel<\/th><th>Bezpe\u010dnost<\/th><th>Odolnost<\/th><th>V\u00fdsledek Vzhled<\/th><th>N\u00e1klady<\/th><\/tr><\/thead><tbody><tr><td>Urychlova\u010d na b\u00e1zi kyselin<\/td><td>Koroduje ocel chemick\u00fdm p\u016fsoben\u00edm<\/td><td>Ni\u010d\u00ed ochrann\u00e9 prvky, pokra\u010duje koroze<\/td><td>Nebezpe\u010dn\u00e9, toxick\u00e9<\/td><td>2 a\u017e 3 roky p\u0159ed po\u0161kozen\u00edm<\/td><td>Um\u011bl\u00e9, nepravideln\u00e9<\/td><td>Vysok\u00e1<\/td><\/tr><tr><td>P\u0159irozen\u00e9 zv\u011btr\u00e1v\u00e1n\u00ed<\/td><td>Pomal\u00e1 oxidace vlivem klimatu<\/td><td>Bezpe\u010dn\u00e9, ale nep\u0159edv\u00eddateln\u00e9<\/td><td>Bezpe\u010dn\u00e9<\/td><td>Des\u00edtky let, pokud jsou podm\u00ednky ide\u00e1ln\u00ed<\/td><td>Nerovnom\u011brn\u00e9<\/td><td>N\u00edzk\u00e1<\/td><\/tr><tr><td>Syst\u00e9m Corten+ (bez kyselin)<\/td><td>Aktivuje p\u0159irozenou oxidaci<\/td><td>Zachov\u00e1v\u00e1 ochrann\u00e9 prvky<\/td><td>Bezpe\u010dn\u00e9, netoxick\u00e9<\/td><td>Neur\u010dit\u00e1 s tmelem<\/td><td>P\u0159irozen\u00e9, jednotn\u00e9<\/td><td>\u00dasporn\u00e9<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Toto srovn\u00e1n\u00ed ukazuje na p\u0159ednost syst\u00e9mu Corten+. D\u00edky respektov\u00e1n\u00ed chemick\u00e9ho slo\u017een\u00ed oceli zaji\u0161\u0165uje p\u0159irozenou tvorbu skute\u010dn\u00e9 ochrann\u00e9 patiny bez rizika pro u\u017eivatele nebo \u017eivotn\u00ed prost\u0159ed\u00ed.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u00dadr\u017eba a \u017eivotnost oceli Corten o\u0161et\u0159en\u00e9 Corten+<\/h2>\n\n\n\n<p>Po aplikaci o\u0161et\u0159en\u00ed Corten+ je \u00fadr\u017eba jednoduch\u00e1. Povrch je t\u0159eba pravideln\u011b kontrolovat, zejm\u00e9na v oblastech vystaven\u00fdch st\u00e1l\u00e9 vlhkosti nebo zne\u010di\u0161t\u011bn\u00ed.<\/p>\n\n\n\n<p>Pokud tmel po n\u011bkolika letech vykazuje zn\u00e1mky opot\u0159eben\u00ed, lze nan\u00e9st novou vrstvu, ani\u017e by bylo nutn\u00e9 odstra\u0148ovat starou. T\u00edm se obnov\u00ed ochrana a ocel bude vypadat st\u00e1le sv\u011b\u017ee.<\/p>\n\n\n\n<p>P\u0159i spr\u00e1vn\u00e9 p\u00e9\u010di m\u016f\u017ee ocel Corten o\u0161et\u0159en\u00e1 materi\u00e1lem Corten+ vydr\u017eet neomezen\u011b dlouho. Jej\u00ed patina z\u016fst\u00e1v\u00e1 stabiln\u00ed a kov si zachov\u00e1v\u00e1 mechanickou pevnost a estetickou hodnotu.<\/p>\n\n\n\n<p>Naproti tomu ocel Corten o\u0161et\u0159en\u00e1 kyselinou pokra\u010duje ve vnit\u0159n\u00ed korozi, a\u017e nakonec sel\u017ee. Rozd\u00edl v trvanlivosti t\u011bchto dvou p\u0159\u00edstup\u016f je dramatick\u00fd - t\u0159i roky oproti \u017eivotnosti.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Z\u00e1v\u011br<\/h2>\n\n\n\n<p>Cortenov\u00e1 ocel je pozoruhodn\u00fd materi\u00e1l, kter\u00fd v sob\u011b spojuje technickou dokonalost a p\u0159\u00edrodn\u00ed kr\u00e1su. Jeho slo\u017een\u00ed - sm\u011bs \u017eeleza, m\u011bdi, chromu, niklu a fosforu - mu d\u00e1v\u00e1 vz\u00e1cnou schopnost chr\u00e1nit se oxidac\u00ed. To z n\u011bj \u010din\u00ed jeden z nejodoln\u011bj\u0161\u00edch a nejesteti\u010dt\u011bj\u0161\u00edch kov\u016f pro architekturu a design.<\/p>\n\n\n\n<p>Abyste v\u0161ak mohli pln\u011b vyu\u017e\u00edt jeho vlastnost\u00ed, je t\u0159eba s n\u00edm zach\u00e1zet opatrn\u011b. O\u0161et\u0159en\u00ed na b\u00e1zi kyselin ni\u010d\u00ed pr\u00e1v\u011b ty prvky, kter\u00e9 \u010din\u00ed ocel Corten odolnou proti korozi. Zp\u016fsobuj\u00ed nevratn\u00e9 po\u0161kozen\u00ed a drasticky zkracuj\u00ed jej\u00ed \u017eivotnost.<\/p>\n\n\n\n<p>Syst\u00e9m Corten+ p\u0159edstavuje jedin\u00e9 bezpe\u010dn\u00e9 a spolehliv\u00e9 \u0159e\u0161en\u00ed pro urychlen\u00ed a ochranu oxidace bez rizika. Jeho bezkyselinov\u00fd urychlova\u010d rzi a tmel zaji\u0161\u0165uj\u00ed p\u0159irozenou, trvanlivou patinu, kter\u00e1 zachov\u00e1v\u00e1 kr\u00e1su i strukturu po cel\u00e9 generace.<\/p>\n\n\n\n<p>Cortenov\u00e1 ocel o\u0161et\u0159en\u00e1 materi\u00e1lem Corten+ nejen nerezav\u00ed, ale tak\u00e9 se elegantn\u011b vyv\u00edj\u00ed a v pr\u016fb\u011bhu \u010dasu si zachov\u00e1v\u00e1 svou eleganci a pevnost. S Corten+ se p\u0159\u00edslib nad\u010dasov\u00e9 oceli st\u00e1v\u00e1 skute\u010dnost\u00ed.<\/p>\n\n\n\n<p>V\u0161echny produkty Corten+ - odv\u00e1p\u0148ova\u010d, odma\u0161\u0165ova\u010d, urychlova\u010d rzi a tmel - jsou k dispozici na na\u0161ich ofici\u00e1ln\u00edch webov\u00fdch str\u00e1nk\u00e1ch s rychl\u00fdm dod\u00e1n\u00edm po cel\u00e9m sv\u011bt\u011b. Vyberte si profesion\u00e1ln\u00ed a bezpe\u010dn\u00fd zp\u016fsob, jak vylep\u0161it a ochr\u00e1nit va\u0161i ocel Corten. Vyberte si Corten+.<\/p>","protected":false},"excerpt":{"rendered":"<p>Corten steel, also called weathering steel, has become a reference material in architecture, landscaping, and design. Its ability to age naturally, its warm rust-like tones, and its remarkable resistance to corrosion make it a favorite for both professionals and individuals seeking aesthetics and durability. Unlike ordinary steel, which continues to corrode until it loses its 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