Dab tsi yog ASTM A790 sib npaug rau?

 

Dab tsi yog ASTM A790?

ASTM A790 yog tus qauv tshwj xeeb rau kev sib khi thiab werritic thiab werritic \/ austenitic stainless hlau yeeb nkab hlau, tseem hu ua Duplex yeeb nkab hlau. Nws yog feem ntau siv hauv cov ntawv thov kom muaj zog, zoo li weldability corrosion, xws li cov roj av, roj thiab roj av.

 

Dab tsi yog ASTM A790 sib npaug rau?

ASTM A790 Qib	Kev tsim qauv	En \/ din sib npaug	Lub Npe
A790 S31803 / S32205	Uncution tsis yog S32205	En 1.4462 \/ X2cnimon 22-5-3	Duplex 2205
A790 S32750	UNR UNS UNRT S32750	En 1.4410 \/ X2cnimon 25-7-4	Super Duplex 2507
A790 S32760	Unc unru s32760	En 1.4501 \/ X2cnimocuwn 25-7-4	Super Duplex (Zeron 100)
A790 S32304	UNR UNL UNRT S32304	En 1.4362 \/ x2crnin 23-4	Ntse Lanllex 2304

 

ASTM A790 Kev Siv Tshuaj Muaj Tshuaj

ASTM A790 Cov Khoom Siv Neeg Kho Tshuab

 

Cov khoom siv twg yog astm A790 unicial s31803?

ASTM A890 CD3mn lossis Qib 4A yog qib ze tshaj plaws rau cov thawj lub duplex steel Stainless hlau tsis muaj S32205. Nws tseem raug tsim los ua Astm A995 thiab ASME SA351 \/ 995 Qib CD3mn lossis 4a, tseem sau raws li J92205 lossis X2Cnimon22.

Dab tsi yog ASTM A790 unu s32760 cov khoom siv?

ASTM A790 UnicT S32760 Welded kav dej muaj qhov ua kom tiav raws li lawv tau ua los ntawm cov hlau txias stainless hlau thiab kuj muaj cov neeg siv khoom siv hluav taws xob txias. Lawv tiv taus chloride pitting thiab sib nraus corrosion. 18 nrawm., 14 20 nrawm., Swg. Swg., 12 16 swg., 10 swg.

 

Dab tsi yog qhov txawv ntawm S31803 thiab S32205?

S32205 muaj kev tswj kom nruj thiab txhim kho corrosion tsis kam piv rau S31803.