18-8: 300 series stainless hlau muaj kwv yees li (tsis paub meej) 18% chromium thiab 8% npib tsib xee.
Lub sij hawm" 18-8" yog siv sib hloov kom haum rau cov fittings ua los ntawm 302, 302 HQ, 303, 304, 305, 384, XM {{7} },
thiab lwm qhov hloov pauv ntawm cov qhab nia nrog cov tshuaj sib ze.
Nws tsis tshua muaj tag nrho qhov sib txawv hauv kev xeb ntawm" 18-8" hom,
tab sis me ntsis sib txawv hauv cov tshuaj muaj pes tsawg leeg ua rau qee qib muaj peev xwm tiv taus ntau dua li lwm cov tshuaj tiv thaiv tshwj xeeb cov tshuaj lossis cov chaw.
GG quot; 18-8" muaj zoo kawg nkaus corrosion tsis kam mus rau 400 series stainless, yog feem ntau nonmagnetic, thiab yog hardenable tsuas yog los ntawm kev ua haujlwm txias.
304: Lub zog alloy. Hom 304 (18-8) yog hlau austenitic muaj qhov tsawg kawg nkaus ntawm 18% chromium thiab 8% npib tsib xee, ua ke nrog qhov siab tshaj plaws ntawm 0. 08% carbon.
Nws yog cov hlau tsis muaj hlau uas tsis tuaj yeem ua los ntawm kev kho cua sov, tab sis hloov. yuav tsum tau txias ua haujlwm kom tau txais lub zog ua tau zoo dua.
Lub 18% tsawg kawg nkaus chromium cov ntsiab lus muab kev txhim kho xeb thiab oxidation. Lub zog' s metallurgical cov yam ntxwv yog tsim los ntawm cov ntsiab lus nickel (8% hli.),
uas tseem txuas ntxiv kev tsis kam xeb los ntawm kev txo cov tshuaj lom neeg. Cov pa roj carbon, qhov tsim nyog ntawm cov txiaj ntsig sib xyaw, yog tuav ntawm qib (0. 08% max.) Uas txaus siab rau cov kev thov kev pabcuam feem ntau.
Lub zog stainless hlau feem ntau tiv thaiv oxidizing acids thiab tuaj yeem tiv taus txhua yam tsis xeb.
LEEJ TWG, NWS YUAV TAU HAIS LUS HAIS. Nws yog cov tshuaj tiv thaiv rau cov khoom noj, tshuaj tiv thaiv kev ua kom tsis haum, feem ntau ntawm cov organic tshuaj lom neeg thiab cov tshuaj tiv thaiv kab mob, thiab muaj ntau hom tshuaj lom neeg.
Hom 304, lossis ib qho ntawm nws txoj kev hloov kho, yog cov khoom siv tshwj xeeb tshaj 50% ntawm lub sijhawm thaum cov pas hlau siv.
Vim tias nws muaj peev xwm tiv taus qhov kev txiav txim siab ntawm ntau cov acids pom hauv cov txiv hmab txiv ntoo, nqaij, mis, thiab zaub,
Hom 304 yog siv rau cov dab dej, cov ntsiav tshuaj, kas fes, kas fes, qhov cub, tub yees, mis thiab qab zib faib, thiab lub rooj ua pa. Nws tseem siv nyob rau hauv ntau cov tais diav ntau xws li cov khoom siv ua noj ua haus, cov lauj kaub, cov lauj kaub, thiab cov khoom ua vaj khoom tsev.
Hom 304 yog qhov tshwj xeeb tshaj yog rau txhua yam khoom siv mis ua - tshuab ua tshuab mis, ntim khoom, homogenizers, kom tsis muaj menyuam, thiab chaw tso khoom thiab chaw tso tsheb hlau luam, suav nrog cov kav dej, cov li qub, cov tsheb thauj mis, thiab cov tsheb ciav hlau.
Qhov no 18-8 alloy yog qhov kev pabcuam sib luag hauv kev lag luam brewing uas nws siv rau hauv cov raj xa dej, cov poov xab poov xab, poov xab fermentation, ntim cia, thiab tsheb ciav hlau, thiab lwm yam.
Cov kua txiv thiab cov kua txiv ua kev lag luam tseem siv Hom 304 rau txhua qhov lawv tuav, tsoo, npaj khoom, khaws cia, thiab thawb cov khoom siv.
Hauv cov ntawv thov ua zaub mov noj xws li hauv mills, bakeries, thiab hlais thiab ntim tsev, txhua yam khoom siv hlau ua kis rau cov tsiaj thiab roj zaub, rog, thiab kua qaub yog tsim los ntawm Hom 304.
Hom 304 kuj tseem siv rau cov zas zas, cov raj dej thoob, cov thoob khib nyiab, thiab lwm yam uas tau chwv cov qauv, acetic, thiab lwm cov organic acids siv nyob rau hauv kev lag luam dyeing.
Nyob rau hauv hiav txwv ib puag ncig, vim tias nws lub zog dua me ntsis thiab hnav tsis kam dua li hom 316,
nws kuj yog siv rau txiv ntoo, bolts, screws, thiab lwm yam fasteners. Nws kuj tseem siv rau cov dej ua kua, cogs, thiab lwm yam nyob rau qhov twg ob leeg hnav thiab kev tiv thaiv xeb yog xav tau.
Tau kawg, muaj ntau cov txheej txheem kev lag luam uas xav tau qib siab dua ntawm kev tiv thaiv kev xeb dua li Hom 304 tuaj yeem muab tau.
316: Rau cov cheeb tsam loj.
Rau cov ntawv thov no, Hom 316 yog lo lus teb.
Hom 316 kuj yog austenitic, tsis muaj hlau nplaum, thiab cov hlau ua cov xim tsis muaj hlau tsis xws li hom 304.
Cov pa roj carbon ntsiab lus yog tuav kom 0. 08% qhov siab tshaj plaws, thaum cov ntsiab lus nickel tau nce me ntsis.
Dab tsi txawv Qhov 316 los ntawm Hom 304 yog qhov sib ntxiv ntawm molybdenum mus txog qhov siab kawg ntawm 3%.
Molybdenum ua rau kom muaj kev txhim kho corrosion ntawm no chromium-nickel alloy kom muaj zog tiv thaiv los ntawm ntau cov tshuaj lom neeg thiab cov kuab tshuaj,
thiab, tshwj xeeb, inhibits pitting tshwm sim los ntawm chlorides.
Xws li, molybdenum yog ib qho muaj txiaj ntsig zoo tshaj plaws rau alloying ntxiv rau hauv kev sib ntaus tawm tsam corrosion.
Los ntawm kev tsim ntawm lub molybdenum ntxiv, Hom 316 tuaj yeem tiv thaiv qhov kev tawm tsam los ntawm sodium thiab calcium brines,
cov tshuaj hypochlorite, phosphoric acid; thiab cov kua dej sulfite thiab cov kua dej sulfurous siv hauv kev lag luam ntawv pulp.
Cov alloy no, yog li ntawd, tau teev tseg rau cov khoom siv kev lag luam uas tuav cov txheej txheem xeb tshuaj uas siv los tsim cov tshuaj lom neeg, duab tshav, tshuaj tua kab mob, ntawv, ntawv, txau, thiab roj hmab.
Hom 316 kuj tseem siv dav siv rau kev phais mob nyob hauv qhov chaw siab phem ntawm lub cev.
Hom 316 yog qhov tseem ceeb stainless siv nyob rau hauv hiav txwv ib puag ncig, tsuas yog zam ntawm fasteners thiab lwm yam khoom siv qhov twg muaj zog thiab hnav tsis kam, ces hom 304 (18-8) feem ntau siv.
Yog Xav Paub Ntxiv ：
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