Dab tsi yog qhov zoo dua 304 lossis 316 stainless hlau phaj?
Stainless hlau yog renowned rau nws corrosion kuj, durability, thiab versatility, ua rau nws ib tug nrov xaiv rau ntau yam kev siv nyob rau hauv ntau yam lag luam. Ob qhov feem ntau siv qib ntawm stainless hlau daim hlau yog 304 thiab 316. Txawm hais tias ob qho tib si muaj cov khoom zoo, lawv muaj qhov sib txawv uas yuav cuam tshuam rau lawv qhov tsim nyog rau cov ntawv thov tshwj xeeb. Hauv qhov kev sib piv no, peb tshawb xyuas cov yam ntxwv, qhov zoo, thiab kev siv ntawm 304 thiab316 stainless hlau phajlos pab koj txiav txim siab.
1. Tshuaj muaj pes tsawg leeg:
304 Stainless Hlau: Kuj hu ua UNS S30400, qib 304 stainless hlau muaj chromium (Cr) thiab npib tsib xee (Ni) ua nws cov ntsiab lus alloying. Nws feem ntau muaj 18-20% chromium thiab 8-10.5% npib tsib xee, nrog rau me me ntawm carbon, manganese, silicon, phosphorus, sulfur, thiab nitrogen.
316 Stainless Steel: Feem ntau hu ua UNS S31600, qib 316 stainless hlau muaj chromium, npib tsib xee, thiab molybdenum (Mo) ua nws cov ntsiab lus alloying. Nws feem ntau muaj 16-18% chromium, 10-14% npib tsib xee, thiab 2-3% molybdenum, nrog rau cov kab sib xws li 304 stainless hlau.
2. Corrosion Resistance:
304 Stainless Steel: Qib 304 stainless hlau muaj kev tiv thaiv corrosion zoo nyob rau hauv ntau qhov chaw, suav nrog huab cua, dej hiav txwv, thiab tshuaj lom neeg ib puag ncig. Txawm li cas los xij, nws yuav raug cuam tshuam los ntawm corrosion nyob rau hauv ib puag ncig corrosive heev uas muaj chlorides los yog acidic daws.
316 Stainless hlau:Qib 316 stainless hlaupom zoo corrosion kuj zoo dua piv rau 304 stainless hlau, tshwj xeeb tshaj yog nyob rau hauv ib puag ncig hnyav uas muaj chlorides, acids, los yog saline daws. Qhov sib ntxiv ntawm molybdenum txhim kho nws cov kev tiv thaiv rau pitting thiab crevice corrosion.
3. Mechanical Properties:
304 Stainless Hlau: Qib 304 stainless hlau muaj lub zog tensile zoo heev, lub zog tawm los, thiab cov khoom tawv tawv, ua rau nws haum rau ntau yam qauv thiab kev siv tshuab. Nws muaj zoo formability thiab weldability, tso cai rau yooj yim ntawm fabrication.
316 Stainless hlau:Qib 316 stainless hlaumuaj cov cuab yeej zoo sib xws rau 304 stainless hlau tab sis muaj zog tensile zog me ntsis thiab lub zog tawm los. Nws kuj nthuav tawm zoo heev toughness thiab ductility, ua rau nws tsim nyog rau daim ntawv thov uas yuav tsum tau muaj zog Cheebtsam.
4. Thaum tshav kub kub Resistance:
304 Stainless Hlau: Qib 304 stainless hlau muaj qhov ua haujlwm zoo rau oxidation ntawm qhov kub txog li 870 degree (1600 degree F) hauv kev pabcuam sib cuam tshuam thiab 925 degree (1700 degree F) hauv kev pabcuam txuas ntxiv. Txawm li cas los xij, nws tuaj yeem ntsib carbide nag lossis daus ntawm qhov kub siab, ua rau rhiab heev thiab txo corrosion kuj.
316 Stainless hlau:Qib 316 stainless hlaumuaj kev ua haujlwm kub zoo dua piv rau 304 stainless hlau, nrog oxidation tsis kam mus txog 870 degree (1600 degree F) hauv kev pabcuam cuam tshuam thiab 925 degree (1700 degree F) hauv kev pabcuam txuas ntxiv. Nws cov ntsiab lus molybdenum siab dua muab kev tiv thaiv zoo rau thermal qaug zog thiab oxidation.
5. Kev txiav txim siab nqi:
304 Stainless Hlau: Qib 304 stainless hlau feem ntau pheej yig dua316 stainless hlau, ua rau nws muaj txiaj ntsig zoo rau ntau daim ntawv thov. Nws muaj ntau yam khoom siv thiab cov ntsiab lus alloying qis dua ua rau nws tus nqi qis dua.
316 Stainless Steel: Qib 316 stainless hlau nyhav dua li 304 stainless hlau vim nws cov ntsiab lus ntau dua nickel thiab molybdenum. Txawm li cas los xij, nws zoo dua corrosion kuj thiab durability tuaj yeem ua pov thawj tus nqi pib dua hauv cov ntawv thov uas qhov kev ntseeg siab yog qhov tseem ceeb.
6. Daim ntawv thov:
1). 304 Stainless Hlau: Cov kev siv feem ntau ntawm qib 304 stainless hlau suav nrog:
Cov Khoom Siv Ua Khoom Noj: Siv rau kev tsim khoom noj khoom haus ua tshuab, cia tso tsheb hlau luam, thiab cov tshuab conveyor.
Architectural Trim: Ua haujlwm rau cov khoom zoo nkauj hauv kev tsim vaj tsev, nrog rau cov tes tuav, qhov rooj thiab qhov rais, thiab facade cladding.
Cov khoom siv hauv chav ua noj: Siv rau kev tsim cov dab dej, cov txee, thiab cov khoom siv hauv chav ua noj vim nws qhov kev tiv thaiv corrosion thiab kev zoo nkauj.
Kev Siv Tshuaj: Siv dav hauv cov khoom siv tshuaj lom neeg xws li reactors, tso tsheb hlau luam, thiab cov kav dej.
Automotive Cheebtsam: Pom nyob rau hauv automotive trim, tso lub tshuab, thiab cov khoom siv vim nws cov kav ntev thiab tsis kam tiv thaiv corrosion.
2) 316 Stainless Hlau: Cov ntawv siv feem ntau ntawm qib 316 stainless hlau suav nrog:
Marine Equipment: Siv dav hauv thaj chaw marine rau cov khoom xws li nkoj fittings, kiv cua shafts, thiab marine hardware vim nws superior corrosion kuj rau seawater.
Cov Khoom Siv Kho Mob: Feem ntau ua haujlwm hauv cov cuab yeej kho mob thiab phais, kev cog qoob loo, thiab cov khoom siv vim nws cov biocompatibility, sterilizability, thiab tiv thaiv corrosion hauv lub cev.
Pharmaceutical Equipment: Siv nyob rau hauv kev lag luam tshuaj rau kev tsim khoom xws li reactors, cia tso tsheb hlau luam, thiab cov kav dej huv huv vim nws qhov huv huv, kev tiv thaiv corrosion, thiab kev sib raug zoo nrog cov txheej txheem tshuaj.
Kev Siv Tshuaj: Pom muaj nyob rau hauv cov chaw ua tshuaj rau cov khoom siv xws li cov tso tsheb hlau luam, cov hlab ntsha, thiab cov kav dej vim nws cov tshuaj tiv thaiv corrosive thiab kub kub.
Aerospace Cheebtsam: Siv nyob rau hauv aerospace daim ntawv thov rau cov khoom xws li aircraft fittings, fasteners, thiab structural yam vim nws lub zog, durability, thiab tsis kam mus rau huab cua kub thiab ib puag ncig tej yam kev mob.
Xaus:
Hauv kev xaus, ob qho tib si 304 thiab 316 stainless hlau daim hlau muaj cov khoom tshwj xeeb thiab kev ua tau zoo, tab sis lawv txawv ntawm kev tiv thaiv corrosion, txhua yam khoom, kub tsis kam, thiab nqi. Thaum 304 stainless hlau yog haum rau ntau daim ntawv thov uas yuav tsum tau zoo corrosion kuj thiab mechanical zog ntawm tus nqi qis, 316 stainless hlau yog nyiam rau ntau xav tau ib puag ncig uas superior corrosion kuj, tshwj xeeb tshaj yog rau chlorides thiab acids, yuav tsum tau. Thaum kawg, kev xaiv ntawm 304 thiab 316 stainless hlau daim hlau yog nyob ntawm cov kev cai tshwj xeeb ntawm daim ntawv thov, suav nrog cov xwm txheej ib puag ncig, cov qauv kev ua haujlwm, thiab kev xav txog nyiaj txiag.
Vim li cas thiaj xaiv Dongmeng Steel?
Comprehensive Product Range: Txawm hais tias koj xav tau cov nplooj ntawv stainless hlau rau cov ntawv thov kev lag luam, precision coils rau kev tsim khoom, corrosion-resistant strips rau tej yaam num tseem ceeb, los yog kev cai-tsim stainless hlau cov khoom, Dongmeng Steel muaj nws tag nrho. Peb cov khoom siv dav dav ua kom ntseeg tau tias peb ua tau raws thiab tshaj tag nrho koj cov kev xav tau ntawm stainless hlau.
Thov Ib Daim Ntawv Tso Cai: Thov ib daim ntawv tsocai, thiab peb pab neeg muag khoom yuav muab koj cov nqi sib tw rau cov khoom siv stainless hlau uas koj xav tau. Peb ntseeg hais tias nyob rau hauv pob tshab pricing thiab xyuas kom meej tias koj tau txais qhov zoo tshaj plaws tus nqi rau koj cov peev.
Kev Paub Seamless Procurement:: Thaum koj tau xaiv koj txoj kev xaiv, ntsib txoj kev yuav khoom seamless. Los ntawm kev txiav txim tso mus rau kev xa khoom, peb ua qhov tseem ceeb ntawm kev ua tau zoo thiab cov neeg siv khoom txaus siab txhua kauj ruam ntawm txoj kev.
Hu rau E-mail:office@dongmjd.com
Cov ntaub ntawv:
American Society for Testing and Materials. (2019). ASTM A240 / A240M: Txheem Specification rau Chromium thiab Chromium-Nickel Stainless Hlau Phaj, Sheet, thiab Sawb rau Cov Vev Xaib Siab thiab rau Kev Siv Dav Hlau. West Conshohocken, PA: ASTM International.
Callister Jr., WD, & Rethwisch, DG (2018). Materials Science thiab Engineering: Kev Taw Qhia (10th ed.). Hoboken, NJ: John Wiley & Sons, Inc.
Davis, JR (Ed.). (2005). Metals Handbook Desk Edition (2nd ed.). Materials Park, OH: ASM International.
Ratner, J. (2010). Daim iav-Tiav Stainless Hlau. Hauv JR Davis (Ed.), ASM Phau Ntawv Qhia Tshwj Xeeb: Stainless Steels (pp. 398-401). Materials Park, OH: ASM International.
