Dab tsi yog qhov zoo tshaj plaws Stainless Hlau Qib rau Casting Progress?
Aug 28, 2024
Tso lus
Dab tsi yog qhov zoo tshaj plaws Stainless Hlau Qib rau Casting Progress?
Cia peb ua kom yooj yim: Cov qib zoo tshaj plaws rau kev casting yog:
Stainless hlau 304 & Stainless hlau 316
Nco ntsoov tias ob hom hlau no tag nrho yog nyob rau hauv chav kawm 300 series ntawm stainless hlau.
Txhais tau hais tias lawv yog chromium-nickel alloys.Cia peb saib txhua tus.
a) Stainless hlau 304
Qib no belongs rau austenitic stainless-steel pawg.Dab tsi yog austenitic stainless hlau?
Zoo, cov pab pawg no suav nrog themicrostructured thiab face-centered cubically crystal structured stainless hlau.
Incidentally, qhov no yog cov qeb loj tshaj plaws ntawm stainless hlau.Lawv yeej suav txog 75% ntawm tag nrho cov hlau tsis muaj steel.
SS304 kuj feem ntau hu ua pawg 18/8. Vim li cas? Vim tias nws muaj chromium thiab npib tsib xee ua cov ntsiab lus tseem ceeb uas tsis yog-ironic ntawm li 18% thiab 8% muaj pes tsawg leeg. Qee qhov tseem ceeb ntawm qib no yog raws li hauv qab no: Nws tiv taus corrosion heev los ntawm ntau yam ib puag ncig lossis atmospheric. Yog li ntawd, nws muaj peev xwm tiv taus feem ntau ntawm cov oxidizing cov neeg ua haujlwm xws li acidic daws nyob rau hauv ib puag ncig. Txawm li cas los xij, nws tsim nyog sau cia tias, stainless hlau 304 yog qhov cuam tshuam rau corrosion thaum raug rau qee yam mob hnyav.
Daim ntawv thov ntawm Stainless hlau 304
Cov hlau no yog dav siv rau kev tsim khoom ntawm:
I.Cov khoom siv hauv tsev - feem ntau yog cov khoom siv hauv chav ua noj thiab cov khoom siv ua zaub mov. Qhov no yog vim qhov tseeb tias cov hlau no yog cov khoom siv ruaj khov thiab tuaj yeem ua kom huv.
II.Cov khoom lag luam - piv txwv li, tshuab qhov chaw, qhov rooj thiab lwm yam.
b) Stainless hlau 316
Hom hlau no feem ntau muaj cov hlau tsis muaj steel tom qab hom 304.
Coincidentally, 304 thiab 316 muaj feem ntau zoo sib xws lub cev thiab txhua yam khoom.
Qhov sib txawv loj raws li tau hais dhau los yog nyob rau hauv muaj molybdenum.
Stainless hlau 316 tau txais txog 3% molybdenum.
Ib yam li 304, stainless hlau 316 kuj muaj ntau yam sib txawv xws li 316 L, F thiab H.
Daim ntawv thov ntawm stainless hlau 316
I. Kev siv tshuaj lom neeg kev lag luam - qhov no yog vim nws qhov kev tiv thaiv thiab tsim nyog rau kev siv hauv acidic.
II. Kev tsim cov khoom siv kho mob-kev phais hauv cov kws kho mob - qhov no yog vim qhov tsis zoo ntawm cov hlau.
III. Kev tsim cov cua kub exchangers, dav hlau cav qhov chaw thiab twj tso kua mis qhov chaw.
Tom qab tag nrho, koj puas xav tias nws yooj yim rau pom qhov sib txawv ntawm SS316 thiab SS304?
Sib piv cov 2 qib steel rau yooj yim saib:
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