Video: Puas yog stainless react nrog galvanized?
2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17
Cov stainless steels, suav nrog 304 thiab 316, zoo dua li zinc thiab hlau, yog li thaum stainless steel yog nyob rau hauv kev sib cuag nrog galvanized steel thiab ntub dej, zinc yuav corrode ua ntej, ua raws li cov hlau, thaum lub stainless steel yuav tiv thaiv los ntawm qhov kev ua galvanic no thiab yuav tsis corrode.
Tsis tas li ntawd, puas stainless hlau corrode galvanized hlau?
Thaum sib txuas galvanized hlau rau ib qho stainless los yog huab cua hlau , muaj lwm yam kev xav. Nyob rau hauv cov huab cua puag ntawm nruab nrab mus rau cov av noo me me, tiv tauj ntawm a galvanized saum npoo thiab a stainless hlau nto tsis zoo li yuav ua rau muaj ntau corrosion.
Ib tug kuj yuav nug, dab tsi stainless hlau teb nrog? Stainless hlau muaj cov hlau, chromium, manganese, silicon, carbon thiab, nyob rau hauv ntau rooj plaub, ntau npaum li cas ntawm nickel thiab molybdenum. Cov ntsiab lus no teb nrog oxygen los ntawm dej thiab huab cua los ua ib tug heev nyias, ruaj khov zaj duab xis uas muaj xws li corrosion cov khoom xws li hlau oxides thiab hydroxides.
Ntxiv rau qhov no, zinc puas cuam tshuam nrog stainless hlau?
Zinc yog cathodic stainless hlau thiab yuav corrode los sim "tiv thaiv" tus stainless . Tab sis stainless kuj tuaj yeem ua tau zoo 'passive', piv txwv li, tsis txhawb qhov hluav taws xob ntws. Feem ntau, yog tias koj muaj thaj tsam me me ntawm zinc txheej thiab ib cheeb tsam loj ntawm stainless hlau , cov zinc yuav tau noj sai sai.
Puas yog Aluminium React nrog Galvanized Steel?
Nyob rau hauv atmospheric tej yam kev mob ntawm nruab nrab mus rau me me humidity, kev sib cuag ntawm ib tug galvanized nto thiab txhuas los yog stainless hlau Nws tsis zoo li yuav ua rau muaj kev cuam tshuam ntau ntxiv. Txawm li cas los xij, nyob rau hauv cov huab cua ntub heev, qhov chaw galvanized yuav xav tau kev sib cais hluav taws xob los ntawm txhuas los yog stainless hlau.
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