430 vs 444 Stainless Hlau: Ferritic Corrosion Showown

 

Ua li cas lawv cov tshuaj lom neeg sib txawv sib txawv?

430 muaj 16-18% chromium, 0.12% max carbon, thiab tsis muaj ob lub chromium, thiab cov pa roj carromenum, thiab cov pa roj carromenum, thiab cov pa roj hmab rau 0.025%, txhawb kev corrosion tsis kam.

 

Qhov twg muaj cov corrosion zoo dua?

444 Far Outperforms 430, tshwj xeeb tshaj yog nyob rau hauv chloride - muaj kev nplua nuj zoo li dej hiav txwv thiab kua. Nws tiv taus pitting thiab corrice corrosion, nrog kev ua tau zoo rau cov hlau tsis zoo li 316L. 430 paab ib puag ncig qhuav, ib puag ncig me me tab sis yuav xeb hauv noo noo.

 

Yuav ua li cas lawv sib piv hauv cov khoom siv tshuab?

Ob qho tib si muaj lub zog zoo sib xws (415-550 MPA), tab sis 444 muaj kev ntxhov siab ua kom muaj kev ntxhov siab rau kev ua kom ntxhov siab tab sis tsis tshua muaj nqi dua li 444.

 

Dab tsi txog lawv cov khoom sib luag?

430 muaj ntau tsim tau thiab yooj yim rau lub tshuab, ua kom haum rau qhov yooj yim cov khoom siv vuam tab sis muab tau zoo dua- lub sij hawm kev ua tau zoo hauv kev teeb tsa hauv corrosive.

 

430 thiab 444 feem ntau siv?

430 yog nyob rau hauv cov khoom siv hauv cov khoom siv, cov khoom siv tshuaj ntsuam tsheb, thiab cov tshuaj chev hauv dej kom sov, thiab cov kav dej siv tshuaj lom neeg nrog cov tshuaj ntxuav tshuaj.