{"id":3971,"date":"2023-06-06T03:29:22","date_gmt":"2023-06-06T03:29:22","guid":{"rendered":"https:\/\/china-maching.com\/?p=3971"},"modified":"2023-08-29T02:00:24","modified_gmt":"2023-08-29T02:00:24","slug":"everything-you-need-to-know-about-duplex-stainless-steel-uns-s32205","status":"publish","type":"post","link":"https:\/\/china-maching.com\/cs\/vse-co-potrebujete-vedet-o-duplexni-nerezove-oceli-uns-s32205\/","title":{"rendered":"V\u0161e, co pot\u0159ebujete v\u011bd\u011bt o duplexn\u00ed nerezov\u00e9 oceli UNS S32205"},"content":{"rendered":"

Co je UNS S32205?<\/h2>\n

\"Co<\/p>\n

UNS S32205 je duplexn\u00ed slitina nerezov\u00e9 oceli s chemick\u00fdm slo\u017een\u00edm kombinuj\u00edc\u00ed po\u017eadovan\u00e9 vlastnosti austenitick\u00e9 a feritick\u00e9 nerezov\u00e9 oceli. Je tak\u00e9 zn\u00e1m\u00fd jako Duplex 2205 a je \u0161iroce pou\u017e\u00edv\u00e1n v n\u00e1mo\u0159n\u00edm, ropn\u00e9m a plyn\u00e1rensk\u00e9m pr\u016fmyslu a chemick\u00e9m zpracovatelsk\u00e9m pr\u016fmyslu. D\u00edky sv\u00e9 vysok\u00e9 odolnosti v\u016f\u010di korozi, pevnosti a hou\u017eevnatosti se UNS S32205 b\u011b\u017en\u011b pou\u017e\u00edv\u00e1 v aplikac\u00edch, kter\u00e9 zahrnuj\u00ed vystaven\u00ed drsn\u00e9mu prost\u0159ed\u00ed, jako jsou vysok\u00e9 teploty a chloridy.<\/p>\n

Chemick\u00e9 slo\u017een\u00ed<\/h3>\n

Chemick\u00e9 slo\u017een\u00ed UNS S32205 obsahuje p\u0159ibli\u017en\u011b 22% chrom, 3% molybden, 5-6% nikl a men\u0161\u00ed mno\u017estv\u00ed dus\u00edku, m\u011bdi a uhl\u00edku. Vyv\u00e1\u017een\u00e1 kombinace t\u011bchto prvk\u016f m\u00e1 za n\u00e1sledek zlep\u0161enou odolnost proti korozi, mechanickou pevnost a \u017eivotnost. Chrom p\u016fsob\u00ed jako prim\u00e1rn\u00ed prvek pro odolnost proti korozi<\/a>, molybden zvy\u0161uje odolnost slitiny proti d\u016flkov\u00e9 korozi, nikl pom\u00e1h\u00e1 zlep\u0161it pru\u017enost a hou\u017eevnatost a dus\u00edk zlep\u0161uje celkovou pevnost.<\/p>\n

Mechanick\u00e9 vlastnosti<\/h3>\n

UNS S32205 vykazuje v\u00fdjime\u010dn\u00e9 mechanick\u00e9 vlastnosti. Slitina vykazuje vysokou mez kluzu p\u0159ibli\u017en\u011b 460 MPa a pevnost v tahu p\u0159ibli\u017en\u011b 620 MPa. M\u00e1 tak\u00e9 vynikaj\u00edc\u00ed prodlou\u017een\u00ed p\u0159ibli\u017en\u011b 25%, co\u017e z n\u011bj \u010din\u00ed ide\u00e1ln\u00ed volbu v aplikac\u00edch, kter\u00e9 vy\u017eaduj\u00ed vysokou odolnost proti n\u00e1razu a vibra\u010dn\u00edmu zat\u00ed\u017een\u00ed. Krom\u011b toho m\u00e1 UNS S32205 vynikaj\u00edc\u00ed \u00fanavovou pevnost a vysokou tepelnou vodivost, d\u00edky \u010demu\u017e je vhodn\u00fd pro pou\u017eit\u00ed ve specifick\u00fdch prost\u0159ed\u00edch, jako jsou v\u00fdm\u011bn\u00edky tepla.<\/p>\n

Fyzik\u00e1ln\u00ed vlastnosti<\/h3>\n

UNS S32205 m\u00e1 hustotu 7,8 g\/cm\u00b3 a jeho specifick\u00e1 hmotnost je 7,8. Slitina se vyzna\u010duje dobrou zpracovatelnost\u00ed a tvarovatelnost\u00ed a lze ji snadno opracovat za tepla nebo za studena. Krom\u011b toho UNS S32205 vykazuje vynikaj\u00edc\u00ed sva\u0159itelnost a lze jej sva\u0159ovat bez v\u00fdrazn\u00e9ho ovlivn\u011bn\u00ed jeho vlastnost\u00ed. Koeficient tepeln\u00e9 rozta\u017enosti a elektrick\u00fd odpor slitiny jsou tak\u00e9 relativn\u011b n\u00edzk\u00e9, co\u017e z n\u00ed \u010din\u00ed ide\u00e1ln\u00ed materi\u00e1l pro kryogenn\u00ed aplikace.<\/p>\n

Z\u00e1v\u011brem, UNS S32205 je vynikaj\u00edc\u00ed duplexn\u00ed nerezov\u00e1 ocel<\/a> slitina s v\u00fdjime\u010dn\u00fdmi mechanick\u00fdmi a fyzik\u00e1ln\u00edmi vlastnostmi. Jeho slo\u017een\u00ed prvk\u016f z n\u011bj \u010din\u00ed ide\u00e1ln\u00ed materi\u00e1l pro pou\u017eit\u00ed v n\u00e1ro\u010dn\u00fdch prost\u0159ed\u00edch, jako je petrochemick\u00fd a n\u00e1mo\u0159n\u00ed pr\u016fmysl. D\u00edky sv\u00e9 vynikaj\u00edc\u00ed odolnosti v\u016f\u010di korozi, pevnosti a hou\u017eevnatosti je UNS S32205 preferov\u00e1n p\u0159ed jin\u00fdmi slitinami nerezov\u00e9 oceli. Jeho pevnost, flexibilita a odolnost proti korozi z n\u011bj \u010din\u00ed perfektn\u00edho kandid\u00e1ta pro mnoho n\u00e1ro\u010dn\u00fdch aplikac\u00ed.<\/p>\n

Co je duplexn\u00ed nerezov\u00e1 ocel?<\/h2>\n

\"Co<\/p>\n

Duplex Stainless Steel (DSS) je druh nerezov\u00e9 oceli, kter\u00e1 obsahuje austenitick\u00e9 i feritick\u00e9 mikrostruktury, obvykle ve stejn\u00fdch pom\u011brech. V\u00fdsledkem t\u00e9to kombinace je materi\u00e1l s optim\u00e1ln\u00ed mechanickou pevnost\u00ed a rovnov\u00e1hou odolnosti proti korozi. DSS se obecn\u011b d\u011bl\u00ed do t\u0159\u00ed typ\u016f: Lean, Standard a Super. Konkr\u00e9tn\u00ed jakost DSS bude z\u00e1viset na konkr\u00e9tn\u00ed aplikaci, p\u0159i\u010dem\u017e v\u00fdznamnou roli hraj\u00ed faktory jako teplota, tlak a chemick\u00e9 prost\u0159ed\u00ed.<\/p>\n

Duplexn\u00ed srovn\u00e1n\u00ed specifikac\u00ed jakosti nerezov\u00e9 oceli<\/h3>\n

R\u016fzn\u00e9 t\u0159\u00eddy duplexn\u00ed nerezov\u00e9 oceli se li\u0161\u00ed sv\u00fdm chemick\u00fdm slo\u017een\u00edm, mechanick\u00fdmi vlastnostmi a odolnost\u00ed proti korozi. Duplex 2205 obsahuje 22% Cr, 5.5% Ni a 3% Mo, zat\u00edmco Duplex 2507 obsahuje 25% Cr, 7% Ni a 4% Mo, d\u00edky \u010demu\u017e je vysoce odoln\u00fd v\u016f\u010di \u0161t\u011brbinov\u00e9 a d\u016flkov\u00e9 korozi. Zeron 100 obsahuje p\u0159ibli\u017en\u011b 25% Cr, 7% Ni a 3,5% Mo, co\u017e poskytuje vynikaj\u00edc\u00ed kombinaci vysok\u00e9 mechanick\u00e9 pevnosti, vynikaj\u00edc\u00ed odolnosti proti d\u016flkov\u00e9 korozi, \u0161t\u011brbinov\u00e9 korozi a prask\u00e1n\u00ed koroz\u00ed pod nap\u011bt\u00edm v mo\u0159sk\u00e9 vod\u011b a jin\u00fdch prost\u0159ed\u00edch obsahuj\u00edc\u00edch chloridy. Duplex Stainless Steel je up\u0159ednost\u0148ov\u00e1n p\u0159ed r\u016fzn\u00fdmi typy nerezov\u00e9 oceli kv\u016fli sv\u00e9 vynikaj\u00edc\u00ed pevnosti, trvanlivosti, odolnosti proti korozi a n\u00e1kladov\u00e9 efektivit\u011b, co\u017e z n\u00ed \u010din\u00ed ide\u00e1ln\u00ed volbu pro ropn\u00fd a plyn\u00e1rensk\u00fd pr\u016fmysl, chemick\u00e9 zpracov\u00e1n\u00ed a n\u00e1mo\u0159n\u00ed pr\u016fmysl.<\/p>\n

Pochopen\u00ed sva\u0159ov\u00e1n\u00ed duplexn\u00ed nerezov\u00e9 oceli<\/h3>\n

Sva\u0159ov\u00e1n\u00ed duplexn\u00ed nerezov\u00e9 oceli p\u0159edstavuje jedine\u010dn\u00e9 v\u00fdzvy, proto\u017ee vy\u017eaduje d\u016fkladn\u00e9 pochopen\u00ed vlastnost\u00ed materi\u00e1lu, sva\u0159itelnosti a procesu sva\u0159ov\u00e1n\u00ed. Jednou z nejv\u00fdznamn\u011bj\u0161\u00edch v\u00fdzev p\u0159i sva\u0159ov\u00e1n\u00ed Duplex Stainless Steel je riziko mezikrystalov\u00e9 koroze, kter\u00e1 m\u016f\u017ee oslabit svarov\u00fd spoj. K p\u0159ekon\u00e1n\u00ed t\u011bchto probl\u00e9m\u016f sv\u00e1\u0159e\u010di pou\u017e\u00edvaj\u00ed specifick\u00e9 postupy, v\u010detn\u011b minimalizace tepeln\u00e9ho p\u0159\u00edkonu, p\u0159edeh\u0159\u00edv\u00e1n\u00ed materi\u00e1lu a pou\u017e\u00edv\u00e1n\u00ed vhodn\u00fdch sva\u0159ovac\u00edch materi\u00e1l\u016f, jako jsou elektrody s n\u00edzk\u00fdm obsahem uhl\u00edku v\u00fdslovn\u011b ur\u010den\u00e9 pro sva\u0159ov\u00e1n\u00ed duplexn\u00ed nerezov\u00e9 oceli. \u00dasp\u011b\u0161n\u00e9 sva\u0159ov\u00e1n\u00ed vy\u017eaduje p\u0159\u00edsnou kontrolu nad procesem sva\u0159ov\u00e1n\u00ed, v\u010detn\u011b volby ochrann\u00fdch plyn\u016f, parametr\u016f sva\u0159ov\u00e1n\u00ed a postup\u016f tepeln\u00e9ho zpracov\u00e1n\u00ed po sva\u0159ov\u00e1n\u00ed. Pokud je sva\u0159ov\u00e1n\u00ed Duplex Stainless Steel provedeno spr\u00e1vn\u011b, m\u016f\u017ee vytv\u00e1\u0159et pevn\u00e9 a trvanliv\u00e9 svary, kter\u00e9 nab\u00edzej\u00ed vynikaj\u00edc\u00ed odolnost proti korozi, co\u017e z n\u011bj \u010din\u00ed ide\u00e1ln\u00ed volbu pro n\u00e1ro\u010dn\u00e1 prost\u0159ed\u00ed.<\/p>\n

Jak\u00e9 jsou vlastnosti duplexn\u00ed nerezov\u00e9 oceli UNS S32205?<\/h2>\n

\"Jak\u00e9<\/p>\n

 <\/p>\n

\"Komplexn\u00ed
Pokra\u010dovat ve \u010dten\u00ed<\/strong>Komplexn\u00ed pr\u016fvodce CAD v\u00fdkresem pro CNC stroj<\/span><\/div><\/a><\/div>

Duplex Stainless Steel UNS S32205 je druh nerezov\u00e9 oceli slo\u017een\u00fd z austenitick\u00e9 a feritick\u00e9 f\u00e1ze. Obsahuje p\u0159ibli\u017en\u011b 22-23% chrom, 3-3,5% molybden, 4,5-6,5% nikl a 0,14-0,20% dus\u00edk. Kombinace t\u011bchto prvk\u016f poskytuje UNS S32205 jedine\u010dn\u00e9 vlastnosti, d\u00edky \u010demu\u017e je obl\u00edben\u00fdm materi\u00e1lem v r\u016fzn\u00fdch aplikac\u00edch.<\/p>\n

Odolnost proti korozi UNS S32205<\/h3>\n

Jednou z hlavn\u00edch vlastnost\u00ed Duplex Stainless Steel UNS S32205 je jej\u00ed vynikaj\u00edc\u00ed odolnost proti korozi. Nab\u00edz\u00ed vynikaj\u00edc\u00ed odolnost v\u016f\u010di korozivn\u00edmu prost\u0159ed\u00ed, v\u010detn\u011b m\u00e9di\u00ed obsahuj\u00edc\u00edch chloridy, jako je mo\u0159sk\u00e1 voda, solanka a pr\u016fmyslov\u00e9 kyseliny. UNS S32205 m\u00e1 vy\u0161\u0161\u00ed odolnost v\u016f\u010di lok\u00e1ln\u00ed korozi, jako je d\u016flkov\u00e1 a \u0161t\u011brbinov\u00e1 koroze, ne\u017e austenitick\u00e9 nerezov\u00e9 oceli. To je zp\u016fsobeno vysok\u00fdm obsahem chr\u00f3mu, molybdenu a dus\u00edku v oceli, kter\u00e9 tvo\u0159\u00ed ochrannou vrstvu oxidu na povrchu materi\u00e1lu a br\u00e1n\u00ed dal\u0161\u00ed korozi.<\/p>\n

Vysok\u00e1 pevnost UNS S32205<\/h3>\n

Dal\u0161\u00ed z\u00e1sadn\u00ed vlastnost\u00ed Duplex Stainless Steel UNS S32205 je jej\u00ed vysok\u00e1 pevnost. M\u00e1 vy\u0161\u0161\u00ed kluz a pevnost v tahu ne\u017e austenitick\u00e9 a feritick\u00e1 nerezov\u00e1 ocel<\/a>, co\u017e z n\u011bj \u010din\u00ed ide\u00e1ln\u00ed volbu materi\u00e1lu pro aplikace vy\u017eaduj\u00edc\u00ed vysokou pevnost. S\u00edla UNS S32205 je d\u00e1na duplexn\u00ed mikrostrukturou, kter\u00e1 umo\u017e\u0148uje kombinovat p\u0159\u00edzniv\u00e9 vlastnosti austenitick\u00fdch i feritick\u00fdch nerezov\u00fdch ocel\u00ed. V\u00fdsledkem je materi\u00e1l, kter\u00fd je pevn\u00fd a tv\u00e1rn\u00fd.<\/p>\n

Vynikaj\u00edc\u00ed odolnost proti korozi UNS S32205<\/h3>\n

Krom\u011b sv\u00e9 vynikaj\u00edc\u00ed obecn\u00e9 odolnosti proti korozi vykazuje Duplex Stainless Steel UNS S32205 mimo\u0159\u00e1dnou odolnost proti prask\u00e1n\u00ed koroz\u00ed pod nap\u011bt\u00edm (SCC). SCC je druh koroze, kter\u00fd se vyskytuje p\u0159i tahov\u00e9m nam\u00e1h\u00e1n\u00ed v korozn\u00edm prost\u0159ed\u00ed a m\u016f\u017ee zp\u016fsobit n\u00e1hl\u00e9 a katastrofick\u00e9 selh\u00e1n\u00ed materi\u00e1lu. Vysok\u00e9 hladiny dus\u00edku a chr\u00f3mu UNS S32205 v\u0161ak pom\u00e1haj\u00ed zabr\u00e1nit iniciaci a \u0161\u00ed\u0159en\u00ed SCC. Duplexn\u00ed mikrostruktura nav\u00edc poskytuje odolnost proti mezikrystalov\u00e9 korozi, co\u017e je dal\u0161\u00ed typ koroze, kter\u00fd m\u016f\u017ee m\u00edt za n\u00e1sledek selh\u00e1n\u00ed materi\u00e1lu.<\/p>\n

Z\u00e1v\u011brem lze \u0159\u00edci, \u017ee Duplex Stainless Steel UNS S32205 m\u00e1 jedine\u010dn\u00e9 vlastnosti, d\u00edky kter\u00fdm je obl\u00edbenou volbou v r\u016fzn\u00fdch aplikac\u00edch. Jeho v\u00fdjime\u010dn\u00e1 odolnost proti korozi, vysok\u00e1 pevnost a odolnost v\u016f\u010di nam\u00e1h\u00e1n\u00ed a mezikrystalov\u00e9 korozi z n\u011bj \u010din\u00ed v\u0161estrann\u00fd a spolehliv\u00fd materi\u00e1l pro drsn\u00e1 prost\u0159ed\u00ed. Jako metalurg je pochopen\u00ed t\u011bchto vlastnost\u00ed z\u00e1sadn\u00ed p\u0159i v\u00fdb\u011bru vhodn\u00e9ho materi\u00e1lu pro konkr\u00e9tn\u00ed aplikaci.<\/p>\n

Jak\u00e9 jsou aplikace duplexn\u00ed nerezov\u00e9 oceli UNS S32205?<\/h2>\n

\"Jak\u00e9<\/p>\n

Duplex Stainless Steel UNS S32205 je d\u00edky sv\u00fdm jedine\u010dn\u00fdm vlastnostem velmi \u017e\u00e1dan\u00fdm materi\u00e1lem v r\u016fzn\u00fdch pr\u016fmyslov\u00fdch odv\u011btv\u00edch. Tento materi\u00e1l obsahuje austenitickou a feritickou nerezovou ocel, kter\u00e1 mu dod\u00e1v\u00e1 vynikaj\u00edc\u00ed mechanickou pevnost a odolnost proti korozi. Je tak\u00e9 cenov\u011b dostupn\u00fd, snadno se vyr\u00e1b\u00ed a funguje dob\u0159e p\u0159i n\u00edzk\u00fdch i vysok\u00fdch teplot\u00e1ch. Jeho popularitu mezi pr\u016fmysln\u00edky a in\u017een\u00fdry lze p\u0159i\u010d\u00edst jeho v\u0161estrannosti a bezkonkuren\u010dn\u00ed odolnosti.<\/p>\n

Ropn\u00fd a plyn\u00e1rensk\u00fd pr\u016fmysl<\/h3>\n

Duplexn\u00ed nerezov\u00e1 ocel UNS S32205 je \u0161iroce pou\u017e\u00edv\u00e1na v ropn\u00e9m a plyn\u00e1rensk\u00e9m pr\u016fmyslu d\u00edky sv\u00e9 p\u016fsobiv\u00e9 pevnosti a odolnosti proti korozi. \u00da\u010dinn\u011b odol\u00e1v\u00e1 drsn\u00e9mu prost\u0159ed\u00ed, vysok\u00e9mu tlaku a vysok\u00fdm teplot\u00e1m typick\u00fdm pro pr\u016fmysl. Tento materi\u00e1l je prosp\u011b\u0161n\u00fd p\u0159i v\u00fdrob\u011b olejov\u00fdch trubek, skladovac\u00edch n\u00e1dr\u017e\u00ed, tlakov\u00fdch n\u00e1dob a dal\u0161\u00edch sou\u010d\u00e1st\u00ed, kde je pevnost a odolnost prvo\u0159ad\u00e1. Jeho schopnost zvl\u00e1dat extr\u00e9mn\u00ed pov\u011btrnostn\u00ed podm\u00ednky a korozivn\u00ed kapaliny z n\u011bj \u010din\u00ed v\u00fdchoz\u00ed materi\u00e1l pro vrt\u00e1n\u00ed na mo\u0159i, za\u0159\u00edzen\u00ed na \u00fapravu plynu a r\u016fzn\u00e9 procesy v\u00fdroby ropy.<\/p>\n

Chemick\u00fd zpracovatelsk\u00fd pr\u016fmysl<\/h3>\n

V chemick\u00e9m zpracovatelsk\u00e9m pr\u016fmyslu je duplexn\u00ed nerezov\u00e1 ocel UNS S32205 vysoce cen\u011bna pro svou odolnost v\u016f\u010di kyselin\u00e1m a z\u00e1sad\u00e1m, odolnost v\u016f\u010di vysok\u00fdm teplot\u00e1m a tlaku a vynikaj\u00edc\u00ed odolnost proti korozi v\u016f\u010di agresivn\u00edm chemik\u00e1li\u00edm. Pr\u016fmysl se siln\u011b spol\u00e9h\u00e1 na materi\u00e1ly, kter\u00e9 si porad\u00ed s korozivn\u00edm prost\u0159ed\u00edm, a tento materi\u00e1l je ide\u00e1ln\u00ed volbou pro potrub\u00ed, v\u00fdm\u011bn\u00edky tepla, reaktory a dal\u0161\u00ed sou\u010d\u00e1sti chemick\u00fdch proces\u016f. Je to tak\u00e9 bezpe\u010dn\u011bj\u0161\u00ed a cenov\u011b v\u00fdhodn\u011bj\u0161\u00ed alternativa k jin\u00fdm materi\u00e1l\u016fm, kter\u00e9 maj\u00ed tendenci rychle korodovat nebo selhat v extr\u00e9mn\u00edch podm\u00ednk\u00e1ch.<\/p>\n

Chloridov\u00e9 prost\u0159ed\u00ed<\/h3>\n

Duplex Stainless Steel UNS S32205 se st\u00e1le v\u00edce pou\u017e\u00edv\u00e1 v prost\u0159ed\u00ed s chloridy. Je odoln\u00fd v\u016f\u010di korozn\u00edmu prask\u00e1n\u00ed zp\u016fsoben\u00e9mu chloridy, spojuje se v mo\u0159sk\u00e9m prost\u0159ed\u00ed, v \u00fapravn\u00e1ch vody a v dal\u0161\u00edch stanovi\u0161t\u00edch bohat\u00fdch na chloridy. Odolnost materi\u00e1lu v\u016f\u010di korozi za t\u011bchto podm\u00ednek je prim\u00e1rn\u011b p\u0159ipisov\u00e1na vysok\u00e9mu obsahu chr\u00f3mu a molybdenu. Tato vlastnost a jej\u00ed s\u00edla z n\u011bj \u010din\u00ed obl\u00edbenou volbu pro potrub\u00ed, \u010derpadla a dal\u0161\u00ed za\u0159\u00edzen\u00ed v chloridov\u00fdch prost\u0159ed\u00edch.<\/p>\n

Z\u00e1v\u011brem lze \u0159\u00edci, \u017ee d\u00edky sv\u00e9 v\u00fdjime\u010dn\u00e9 mechanick\u00e9 pevnosti, trvanlivosti a odolnosti proti korozi m\u00e1 Duplex Stainless Steel UNS S32205 r\u016fzn\u00e9 aplikace v r\u016fzn\u00fdch pr\u016fmyslov\u00fdch odv\u011btv\u00edch. Jeho pozoruhodn\u00e1 odolnost v\u016f\u010di drsn\u00fdm podm\u00ednk\u00e1m, v\u010detn\u011b kyselin, z\u00e1sad a chlorid\u016f, z n\u011bj d\u011bl\u00e1 ide\u00e1ln\u00ed materi\u00e1l pro pou\u017eit\u00ed v rop\u011b a plynu, chemick\u00e9m zpracov\u00e1n\u00ed a chloridov\u00e9m prost\u0159ed\u00ed. D\u00edky sv\u00e9 v\u0161estrannosti a schopnostem je obl\u00edben\u00fd pro mnoho pr\u016fmysln\u00edk\u016f a in\u017een\u00fdr\u016f po cel\u00e9m sv\u011bt\u011b.<\/p>\n

Pro\u010d je preferov\u00e1na duplexn\u00ed nerezov\u00e1 ocel UNS S32205?<\/h2>\n

\"Pro\u010d<\/p>\n

\"Polom\u011bry
Pokra\u010dovat ve \u010dten\u00ed<\/strong>Polom\u011bry zaoblen\u00ed: V\u0161e, co pot\u0159ebujete v\u011bd\u011bt<\/span><\/div><\/a><\/div>

Tento typ nerezov\u00e9 oceli je sm\u011bs\u00ed austenitick\u00e9 a feritick\u00e9 oceli, kter\u00e1 se vyzna\u010duje mimo\u0159\u00e1dnou pevnost\u00ed, trvanlivost\u00ed a odolnost\u00ed proti korozi.<\/p>\n

Vynikaj\u00edc\u00ed odolnost proti korozi v\u016f\u010di austenitick\u00e9 nerezov\u00e9 oceli<\/h3>\n

Up\u0159ednost\u0148uje se duplexn\u00ed nerezov\u00e1 ocel UNS S32205 austenitick\u00e9 nerezov\u00e9 oceli<\/a> d\u00edky vynikaj\u00edc\u00ed odolnosti proti korozi. Tento typ nerezov\u00e9 oceli je vysoce odoln\u00fd proti korozi v drsn\u00fdch prost\u0159ed\u00edch, v\u010detn\u011b mo\u0159sk\u00e9 vody, kysel\u00fdch podm\u00ednek a roztok\u016f chloridov\u00fdch iont\u016f. Vysok\u00e9 mno\u017estv\u00ed chr\u00f3mu, molybdenu a dus\u00edku v duplexn\u00ed nerezov\u00e9 oceli UNS S32205 p\u0159isp\u00edv\u00e1 k jej\u00ed vynikaj\u00edc\u00ed odolnosti proti korozi.<\/p>\n

Krom\u011b toho m\u00e1 Duplex Stainless Steel UNS S32205 jedine\u010dnou mikrostrukturu, kter\u00e1 umo\u017e\u0148uje vytvo\u0159en\u00ed pasivn\u00ed oxidov\u00e9 vrstvy na jej\u00edm povrchu, kter\u00e1 pom\u00e1h\u00e1 chr\u00e1nit ocel p\u0159ed dal\u0161\u00ed koroz\u00ed.<\/p>\n

N\u00e1kladov\u011b efektivn\u00ed<\/h3>\n

Krom\u011b vynikaj\u00edc\u00ed odolnosti proti korozi je duplexn\u00ed nerezov\u00e1 ocel UNS S32205 preferov\u00e1na kv\u016fli sv\u00e9 n\u00e1kladov\u00e9 efektivit\u011b. P\u0159esto\u017ee po\u010d\u00e1te\u010dn\u00ed n\u00e1klady na tento typ nerezov\u00e9 oceli mohou b\u00fdt vy\u0161\u0161\u00ed ne\u017e u jin\u00fdch nerezov\u00fdch ocel\u00ed, jej\u00ed vynikaj\u00edc\u00ed odolnost proti korozi sni\u017euje z dlouhodob\u00e9ho hlediska n\u00e1klady na \u00fadr\u017ebu a v\u00fdm\u011bnu. Pr\u016fmyslov\u00e1 odv\u011btv\u00ed, kter\u00e1 vy\u017eaduj\u00ed vysokou odolnost v\u016f\u010di korozi, v\u010detn\u011b ropy a plynu, chemik\u00e1li\u00ed a n\u00e1mo\u0159n\u00ed dopravy, v\u00fdrazn\u011b t\u011b\u017e\u00ed z n\u00e1kladov\u00e9 efektivity duplexn\u00ed nerezov\u00e9 oceli UNS S32205.<\/p>\n

Tento typ nerezov\u00e9 oceli je nav\u00edc v\u0161estrann\u00fd, lze jej snadno vyrobit a nevy\u017eaduje \u017e\u00e1dn\u00e9 dal\u0161\u00ed n\u00e1t\u011bry, co\u017e sni\u017euje celkov\u00e9 n\u00e1klady na v\u00fdrobu.<\/p>\n

Stru\u010dn\u011b \u0159e\u010deno, jedine\u010dn\u00e9 vlastnosti Duplex Stainless Steel UNS S32205 ji odli\u0161uj\u00ed od ostatn\u00edch typ\u016f nerezov\u00e9 oceli, tak\u017ee je preferovanou volbou v r\u016fzn\u00fdch pr\u016fmyslov\u00fdch odv\u011btv\u00edch. Jeho vynikaj\u00edc\u00ed odolnost proti korozi a n\u00e1kladov\u00e1 efektivita p\u0159isp\u011bly k jeho rychle rostouc\u00ed popularit\u011b v aplikac\u00edch, kde je z\u00e1sadn\u00ed odolnost a dlouh\u00e1 \u017eivotnost.<\/p>\n

Doporu\u010duji p\u0159e\u010d\u00edst: <\/strong>CNC OBR\u00c1B\u011aN\u00cd NEREZOV\u00c9 OCELI<\/a><\/p>\n

\u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n

\"\u010casto<\/p>\n

 <\/p>\n

Ot\u00e1zka: Co je duplexn\u00ed ocel UNS S32205?<\/h3>\n

A: Duplexn\u00ed ocel UNS S32205 je druh nerezov\u00e9 oceli s dvouf\u00e1zovou mikrostrukturou sest\u00e1vaj\u00edc\u00ed z austenitick\u00e9 i feritick\u00e9 f\u00e1ze. M\u00e1 vysok\u00fd obsah chr\u00f3mu a molybdenu, poskytuje vynikaj\u00edc\u00ed odolnost proti korozi a vysok\u00e9 pevnostn\u00ed vlastnosti.<\/p>\n

Ot\u00e1zka: Jak\u00e9 je chemick\u00e9 slo\u017een\u00ed a fyzik\u00e1ln\u00ed vlastnosti duplexn\u00ed oceli UNS S32205?<\/h3>\n

Odpov\u011b\u010f: Duplexn\u00ed ocel UNS S32205 m\u00e1 chemick\u00e9 slo\u017een\u00ed p\u0159ibli\u017en\u011b 21% chrom, 2,5% molybden, 4,5% nikl a 0,3% dus\u00edk, p\u0159i\u010dem\u017e zbytek tvo\u0159\u00ed \u017eelezo a dal\u0161\u00ed stopov\u00e9 prvky. Mezi jeho fyzik\u00e1ln\u00ed vlastnosti pat\u0159\u00ed hustota 7,8 g\/cm3, bod t\u00e1n\u00ed 1350-1450\u00b0C a koeficient tepeln\u00e9 rozta\u017enosti 13,7 \u03bcm\/(m\u00b7K).<\/p>\n

Ot\u00e1zka: Jak\u00e9 jsou mechanick\u00e9 vlastnosti duplexn\u00ed oceli UNS S32205?<\/h3>\n

A: Duplexn\u00ed ocel UNS S32205 m\u00e1 vysokou mechanickou pevnost, s minim\u00e1ln\u00ed mez\u00ed kluzu 450 MPa a minim\u00e1ln\u00ed pevnost\u00ed v tahu 620 MPa. Vykazuje tak\u00e9 dobrou hou\u017eevnatost a pru\u017enost, prodlu\u017euje 25% o 50 mm.<\/p>\n

Ot\u00e1zka: Jak\u00e1 je srovn\u00e1n\u00ed duplexn\u00ed oceli UNS S32205 s jin\u00fdmi druhy nerezov\u00e9 oceli?<\/h3>\n

Odpov\u011b\u010f: Duplexn\u00ed ocel UNS S32205 nab\u00edz\u00ed vy\u0161\u0161\u00ed pevnost a lep\u0161\u00ed odolnost proti korozi ne\u017e mnoho jin\u00fdch plech\u016f z austenitick\u00e9 a feritick\u00e9 nerezov\u00e9 oceli, d\u00edky \u010demu\u017e je obl\u00edbenou volbou v r\u016fzn\u00fdch pr\u016fmyslov\u00fdch odv\u011btv\u00edch, jako je chemick\u00e9 zpracov\u00e1n\u00ed, ropa a plyn a zpracov\u00e1n\u00ed potravin.<\/p>\n

Ot\u00e1zka: Jak\u00e1 je odolnost duplexn\u00ed oceli UNS S32205 proti korozi?<\/h3>\n

Odpov\u011b\u010f: Duplexn\u00ed ocel UNS S32205 nab\u00edz\u00ed vynikaj\u00edc\u00ed odolnost proti korozi ve srovn\u00e1n\u00ed s mnoha jin\u00fdmi druhy nerezov\u00e9 oceli, zejm\u00e9na v prost\u0159ed\u00edch s vysok\u00fdm rizikem d\u016flkov\u00e9 koroze, \u0161t\u011brbinov\u00e9 koroze a prask\u00e1n\u00ed koroz\u00ed pod nap\u011bt\u00edm. Jeho vysok\u00fd obsah chromu a molybdenu p\u0159isp\u00edv\u00e1 k jeho vynikaj\u00edc\u00ed odolnosti v\u016f\u010di r\u016fzn\u00fdm korozivn\u00edm prost\u0159ed\u00edm, v\u010detn\u011b mo\u0159sk\u00e9 vody a kysel\u00fdch roztok\u016f.<\/p>\n

Ot\u00e1zka: Jak\u00fd je rozd\u00edl mezi duplexn\u00ed ocel\u00ed UNS S32205 a UNS S31803?<\/h3>\n

Odpov\u011b\u010f: Duplexn\u00ed ocel UNS S32205 je vylep\u0161en\u00e1 verze UNS S31803<\/a>s vy\u0161\u0161\u00edm obsahem chr\u00f3mu, dus\u00edku a molybdenu pro zv\u00fd\u0161enou odolnost proti korozi a pevnostn\u00ed vlastnosti. UNS S32205 je tak\u00e9 snadn\u011bji dostupn\u00fd a m\u00e1 \u0161ir\u0161\u00ed rozsah aplikac\u00ed ne\u017e UNS S31803.<\/p>\n

Ot\u00e1zka: Jak\u00e1 jsou pou\u017eit\u00ed duplexn\u00ed oceli UNS S32205?<\/h3>\n

Odpov\u011b\u010f: Duplexn\u00ed ocel UNS S32205 se pou\u017e\u00edv\u00e1 v r\u016fzn\u00fdch aplikac\u00edch, v\u010detn\u011b chemick\u00e9ho zpracov\u00e1n\u00ed, pr\u016fzkumu a v\u00fdroby ropy a plynu, zpracov\u00e1n\u00ed buni\u010diny a pap\u00edru a v\u00fdroby energie. Pou\u017e\u00edv\u00e1 se tak\u00e9 p\u0159i stavb\u011b n\u00e1dr\u017e\u00ed, n\u00e1dob a potrub\u00ed, kter\u00e9 vy\u017eaduj\u00ed vysokou pevnost a odolnost proti korozi, a v architektonick\u00fdch aplikac\u00edch, jako jsou fas\u00e1dy budov a mosty.<\/p>\n

Ot\u00e1zka: Jak se vyr\u00e1b\u00ed a sva\u0159uje duplexn\u00ed ocel UNS S32205?<\/h3>\n

Odpov\u011b\u010f: Duplexn\u00ed ocel UNS S32205 se snadno vyr\u00e1b\u00ed standardn\u00edmi metodami \u0159ez\u00e1n\u00ed, oh\u00fdb\u00e1n\u00ed a tv\u00e1\u0159en\u00ed. M\u016f\u017ee b\u00fdt tak\u00e9 sva\u0159ov\u00e1n pomoc\u00ed konven\u010dn\u00edch technik, jako je obloukov\u00e9 sva\u0159ov\u00e1n\u00ed v ochrann\u00e9 atmosf\u00e9\u0159e, obloukov\u00e9 sva\u0159ov\u00e1n\u00ed plynov\u00fdm wolframem a sva\u0159ov\u00e1n\u00ed plynov\u00fdm kovov\u00fdm obloukem. Je v\u0161ak nezbytn\u00e9 vz\u00edt v \u00favahu jeho sklon k tvorb\u011b trhlin za tepla a pou\u017e\u00edt vhodn\u00e9 p\u0159\u00eddavn\u00e9 kovy a parametry sva\u0159ov\u00e1n\u00ed pro zaji\u0161t\u011bn\u00ed \u00fasp\u011b\u0161n\u00e9ho svaru.<\/p>\n

Ot\u00e1zka: Co je super duplexn\u00ed ocel a jak se srovn\u00e1v\u00e1 s duplexn\u00ed ocel\u00ed UNS S32205?<\/h3>\n

Odpov\u011b\u010f: Super duplexn\u00ed ocel m\u00e1 je\u0161t\u011b vy\u0161\u0161\u00ed hladiny chr\u00f3mu, molybdenu a dus\u00edku ne\u017e duplexn\u00ed ocel UNS S32205, co\u017e poskytuje vynikaj\u00edc\u00ed odolnost proti korozi a pevnostn\u00ed vlastnosti. Super duplexn\u00ed ocel je v\u0161ak dra\u017e\u0161\u00ed a n\u00e1ro\u010dn\u011bj\u0161\u00ed na v\u00fdrobu a sva\u0159ov\u00e1n\u00ed ne\u017e UNS S32205.<\/p>\n

Ot\u00e1zka: Co je ASTM A240 a jak souvis\u00ed s duplexn\u00ed ocel\u00ed UNS S32205?<\/h3>\n

A: ASTM A240 je standardn\u00ed specifikace pro chromov\u00e9 a chromniklov\u00e9 nerezov\u00e9 desky, plechy a p\u00e1sy pro tlakov\u00e9 n\u00e1doby a obecn\u00e9 aplikace. Duplexn\u00ed ocel UNS S32205 je jednou ze t\u0159\u00edd nerezov\u00e9 oceli, na kterou se vztahuje tato specifikace.<\/p>","protected":false},"excerpt":{"rendered":"

What is UNS S32205? UNS S32205 is a duplex stainless steel alloy with a chemical composition combining the desirable properties of austenitic and ferritic stainless steel. It is also known as Duplex 2205 and is widely used in marine, oil and gas, and chemical processing industries. 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