2205 luj tshib

Qhov theem no ob theem hlau hlau pob hauv qab nyob rau hauv ib puag ncig uas ua rau muaj kev pib ua ntej nres ntawm cov qib tsis muaj Austenitic. Cov txheej txheem me me no tseem tiv thaiv kev tiv thaiv chloride ib puag ncig thiab muab kev tiv thaiv sulfide kev ntxhov siab corrosion.

2205 yog tus qauv hloov dua tshiab nrog 21% chromium. Cov khoom siv yog muaj zog, ob zaug muaj zog raws li cov hom steel illenitic.

Txij xyoo 2008, vim yog qhov zoo tshaj plaws corrosion tsis kam ntawm dual-theem hlau pob tw-welded yeeb nkab fittings, kev ua lag luam tau nyob hauv qhov kev thov siab. Nws tiv siab intergranular thiab crevice corrosion. Nws tseem qhia tseem ceeb pitting kuj. Chloride kev ntxhov siab corrosion kuj yooj yim daws nrog ob 2205 ntawm 150 degrees Celsius.

2205 tau ua pov thawj los ua qhov zoo tshaj plaws rau kev txhawb nqa cov hlau hauv av hauv hiav txwv. Nws ua kom zoo kub ua kom tsis kam txog 300 degrees Celsius. Nws tuaj yeem yooj yim soldered los ntawm cov txheej txheem feem ntau, tsuas yog yuav tsum tau ua yog kev siv cov tub lim hlau. Vim nws lub zog siab, ua haujlwm yog tsawg.

Cov alloy txawv no yog siv hauv cov roj thiab roj kev tshawb nrhiav thiab tseem siv hauv kev lag luam ua lag luam. Feem ntau ntawm cov khoom siv ua cov khoom siv Duplex 2205, uas tseem siv rau hauv cov chaw tsim khoom thiab kev thauj mus los. Pulp thiab cov ntawv luam tawm, tso tsheb hlau luam thiab ntawv ua kua thiab ntawv tshuab kuj siv duplex 2205. Nws yog qhov zoo rau kev siv hauv ib puag ncig marine.

2205 yog cov neeg siv ntau tshaj plaws (Ferrritic \ / ustenitic) stainless hlau yeeb nkab fittings. Nws yog siv vim nws zoo heev corrosion tsis kam thiab muaj zog siab. FuPleX S31803 fittings muaj kev yeem ua tau zoo ntawm corrosion tsis kam, tab sis feem ntau cov duplex s31803 cov tsim tawm tau ua raws li Duplex S31803. 1.4462 belongs rau lub duplex steel series. Cov hlau no muaj ntau dua corrosion tsis kam dua li org austenitic 1.4404. Yog li ntawd, lub tensile tau taw tes yog kwv yees li 150% siab dua.

Uncution Unrical Stainless hlau fittings yog ib qho kev ua kom zoo nkauj-ferritic-ferritic-ferritic corrosion tsis kam thiab muaj zog. Nws muaj zoo solderability thiab tuaj yeem daws los ntawm ntau txoj kev. Qeb 14462 (tseem hu ua UN31803 \ / S32205, F51 thiab SS2377) Fittings yog qhov muaj zog thiab zoo heev corrosion.

Lub taub hau yas s31803 pem hauv ntej cov ferrule yog siv hauv kev lag luam thiab ib daim ntawv thov kev lag luam thiab muaj qhov zoo tshaj plaws hauv tsev kawm ntawv weldability. Muab hais tias ob theem ob steel s32205 tsheb ferrule sib koom yog tsuas yog hais txog ib qho kev xaiv hlau sib piv, nws yog qhov kev xaiv kom pom tseeb thaum qhov hnyav.

Cov chav hlau DuPlex s31803 qhov kawg kaw tau zoo tshaj corrosion tsis kam thiab tuaj yeem siv rau hauv feem ntau yog tsis muaj kev tiv thaiv. Duplex steel s32205 fittings xaus cap fittings muaj lub peev xwm los hloov cua sov thiab sai sai, ua rau lawv zoo tagnrho rau cov txheej txheem kub hloov.

Cov hlau dulex yog cov hlau qub, tseem hu ua Duplex cov hlau vim muaj ob theem hauv lawv cov qauv metallgical. Cov txheej txheem ob lub chav hlau no yog tsim los muab kev tiv thaiv corrosion zoo dua thiab muaj zog dua li lwm cov kev ua kom zoo nkauj stainless hlau.

Lawv feem ntau muab kev tiv thaiv mus rau chloride kev ntxhov siab corrosion thiab chloride pitting corrosion. Lawv muaj ntau dua chromium thiab molybdenum cov ntsiab lus tshaj li lwm cov neeg siv tsis tau.

Duplex uns s32205 cov yeeb nkab luj yog siv qhov twg cov kev taw qhia ntawm cov yeeb nkab yuav tsum tau hloov pauv thiab tsis muaj kev ntxhov siab tsawg ntawm cov yeeb nkab phab ntsa. Luj tshib yog ib qho ntawm cov khoom siv uas feem ntau siv. Feem ntau cov fittings muaj nominal bores li 1 \ / 8 "txog 42".