Dab tsi yog qhov sib txawv ntawm cov khoom siv stainless hlau 304 thiab 316?

Niaj hnub no, stainless hlau yog dav siv nyob rau hauv peb lub neej, xws li los ntawm aerospace khoom mus rau lub lauj kaub thiab lauj kaub.Niaj hnub no, peb yuav qhia cov khoom siv stainless hlau 304 thiab 316.
Qhov sib txawv ntawm 304 thiab 316
304 thiab 316 yog Asmeskas cov qauv.3 sawv cev rau 300 series steel.Ob tug lej kawg yog tus lej serial.304 Suav hom yog 06Cr19Ni9 (muaj tsawg dua 0.06% C, ntau tshaj 19% chromium thiab ntau tshaj 9% npib tsib xee);316 Suav hom yog 06Cr17Ni12Mo2 (muaj tsawg dua 0.06% C, ntau dua 17% chromium, ntau dua 12% nickel thiab ntau dua 2% molybdenum).
Nws ntseeg tau tias peb tseem tuaj yeem pom los ntawm cov khoom lag luam uas cov tshuaj muaj pes tsawg leeg ntawm 304 thiab 316 yog qhov sib txawv, thiab qhov sib txawv loj tshaj plaws los ntawm cov khoom sib txawv yog cov kua qaub thiab corrosion kuj sib txawv.Piv nrog rau 304 theem, 316 theem muaj kev nce qib ntawm nickel thiab npib tsib xee, ntxiv rau, molybdenum thiab molybdenum ntxiv.Ntxiv cov npib tsib xee tuaj yeem txhim kho cov kav ntev, cov khoom siv kho tshuab thiab oxidation tsis kam ntawm stainless hlau.Molybdenum tuaj yeem txhim kho atmospheric corrosion, tshwj xeeb tshaj yog atmospheric corrosion uas muaj chloride.Yog li ntawd, ntxiv rau cov yam ntxwv ntawm kev ua tau zoo ntawm 304 stainless hlau, 316 stainless hlau kuj tseem tiv taus corrosion ntawm cov xov xwm tshwj xeeb, uas tuaj yeem txhim kho corrosion kuj ntawm cov tshuaj hydrochloric acid thiab dej hiav txwv, thiab txhim kho corrosion kuj ntawm brine halogen tov.
Daim ntawv thov ntau yam ntawm 304 thiab 316
304 stainless hlau yog dav siv, xws li cov khoom siv hauv chav ua noj thiab cov tais diav, kho kom zoo nkauj architectural, zaub mov kev lag luam, kev ua liaj ua teb, nkoj qhov chaw, chav dej, tsheb qhov chaw, thiab lwm yam.
Tus nqi ntawm 316 stainless hlau yog siab tshaj 304. Piv nrog rau 304, 316 stainless hlau muaj zog acid kuj thiab zoo stability.316 stainless hlau yog tsuas yog siv nyob rau hauv chemical kev lag luam, zas xim, ntawv ua, acetic acid, chiv thiab lwm yam khoom siv ntau lawm, khoom noj khoom haus kev lag luam thiab chaw ntug hiav txwv dej, thiab cov khoom uas muaj tshwj xeeb yuav tsum tau rau intergranular corrosion kuj.
Rau lub neej txhua hnub, 304 stainless hlau tuaj yeem ua tau raws li peb cov kev xav tau, thiab 304 kuj yog cov khoom siv hlau tsis muaj steel uas ua tau raws li cov qauv khoom noj.


Post lub sij hawm: Dec-08-2022