Dab tsi yog 201 Qib Stainless Hlau?

201 stainless hlau yeeb nkabyog ib hom austenitic chromium-nickel-manganese stainless hlau uas yog dav siv nyob rau hauv ntau yam kev siv vim nws pheej yig thiab formability. Nws tsis yog corrosion kuj zoo li lwm hom stainless hlau, xws li 304 stainless hlau, tab sis nws yog ib qho kev xaiv zoo rau ntau yam kev siv hom phiaj.

Nov yog qee qhov kev siv ntawm 201 stainless hlau yeeb nkab:

• Automotive tso pa system
• Cov khoom siv trim
• Kho kom zoo nkauj Cheebtsam
• Rooj tog
• Khoom siv khoom noj khoom haus
• Tsawg-pressure kav dej

Thaum xaiv 201 stainless hlau yeeb nkab, nws yog ib qho tseem ceeb uas yuav tau xav txog qhov chaw uas nws yuav siv. Yog hais tias cov yeeb nkab yuav raug rau cov tshuaj hnyav los yog dej ntsev, yuav tsum muaj cov hlau tsis muaj corrosion ntau dua.

Dab tsi yog 201 qib stainless hlau?

201 qib stainless hlauyog ib hom austenitic chromium-nickel-manganese stainless hlau. Ntawm no yog ib qho kev piav qhia ntawm nws cov yam ntxwv tseem ceeb:

Kev sib xyaw:

Feem ntau muaj chromium ({0}}%) thiab npib tsib xee (3.5-5.5%).

Muaj manganese (5.5-7.5%) thiab nitrogen ua ib feem hloov rau npib tsib xee, ua rau nws pheej yig dua cov hlau uas muaj cov ntsiab lus ntau dua nickel.

Khoom:

Austenitic:Nws muaj lub ntsej muag-centered cubic crystal qauv, ua rau nws tsis-magnetic nyob rau hauv nws cov annealed mob thiab heev formable (yooj yim khoov thiab zoo).

Muaj pes tsawg leeg corrosion resistant:Muaj kev tiv thaiv corrosion zoo hauv ntau qhov chaw tab sis tsawg dua qib siab nickel zoo li 304 stainless hlau. Nws yog tshwj xeeb yog raug rau corrosion nyob rau hauv dej ntsev los yog acidic / alkaline ib puag ncig.

Ua hauj lwm hardens:Ua kom muaj zog thiab tsis tshua muaj ductile (yooj yim khoov) thaum txias ua haujlwm (deformed los ntawm dov, kos duab, thiab lwm yam).

Daim ntawv thov:

Vim nws pheej yig thiab formability, 201 stainless hlau pom siv nyob rau hauv ntau yam kev siv uas zoo corrosion kuj thiab formability yog ib qho tseem ceeb, tab sis huab kuj tsis tseem ceeb. Nov yog qee qhov piv txwv:

Automotive qhov chaw:Exhaust systems, trim pieces

Cov khoom siv hluav taws xob:Kho kom zoo nkauj trim, vaj tse

Rooj tog:Ob txhais ceg, thav duab, cov khoom zoo nkauj

Khoom siv khoom noj khoom haus:Kev siv tsis tshua muaj kev ntxhov siab, cov tais diav

Kev tsim kho:Cov kav dej tsis tshua muaj siab, cov khoom siv kho kom zoo nkauj

Sib piv rau 304 Stainless Hlau:

304 stainless hlau yog hom ntau dua nrog cov ntsiab lus npib tsib xee ntau dua (8-10%) thiab kev tiv thaiv corrosion zoo dua, ua rau nws tsim nyog rau ib puag ncig hnyav.

Txawm li cas los xij, 201 feem ntau pheej yig dua.

Xaiv Ntawm 201 thiab 304 Stainless Hlau:

Qhov kev xaiv ntawm 201 thiab 304 qib yog nyob ntawm daim ntawv thov tshwj xeeb thiab nws cov cai. Xav txog cov xwm txheej no:

Ib puag ncig:Yog tias cov hlau yuav raug cov tshuaj hnyav, dej ntsev, lossis qhov kub thiab txias, 304 yog qhov kev xaiv zoo dua.

Formability:Yog hais tias cov hlau yuav tsum tau khoov los yog zoo li tus loj, 201's formability yuav zoo.

Nyiaj txiag:201 feem ntau tsis tshua kim tshaj 304.

Dab tsi yog qhov sib npaug rau SS 201?

Ob peb cov ntaub ntawv tuaj yeem suav hais tias sib npaug rau SS 201 stainless hlau, nyob ntawm cov ntawv thov tshwj xeeb thiab cov khoom xav tau. Nov yog qee qhov sib npaug tshaj plaws:

Cov khoom sib npaug:

TSI 201:Qhov no yog lub koom haum American Iron thiab Steel (AISI) rau 201 stainless hlau.

UNS S20100:Qhov no yog qhov Kev Sib Koom Tes Ua Haujlwm (UNS) rau 201 stainless hlau.

EN 1.4372:Qhov no yog European Norm (EN) tsim rau cov khoom zoo sib xws nrog cov kev txwv sib txawv me ntsis piv rau AISI 201.

Functional Equivalents:

Qauv: SS301Hom stainless hlau no muaj qhov zoo sib xws rau 201 tab sis muaj qhov zoo dua corrosion kuj vim yog cov ntsiab lus ntau dua nickel. Nws tuaj yeem yog lwm txoj hauv kev zoo yog tias xav tau kev txhim kho me ntsis hauv kev tiv thaiv corrosion yam tsis muaj kev cuam tshuam ntau formability.

Qauv 430:Qhov no ferritic stainless hlau yog ib qho kev xaiv nyiaj txiag ntau dua piv rau 201. Txawm li cas los xij, nws yog hlau nplaum thiab muaj kev tiv thaiv corrosion tsawg. Tej zaum nws yuav haum rau cov ntawv thov uas tsis tshua xav tau ib puag ncig.

Xaiv qhov sib npaug zoo:

Qhov sib npaug zoo tshaj plaws rau SS 201 nyob ntawm koj qhov kev xav tau tshwj xeeb. Nov yog qee yam uas yuav tsum xav txog:

Daim ntawv thov:Xav txog qhov chaw ib puag ncig cov khoom yuav raug rau thiab qib ntawm corrosion kuj yuav tsum tau.

Formability:Yog tias qhov yooj yim khoov lossis shaping yog qhov tseem ceeb, cov ntaub ntawv zoo li 201 lossis 301 yuav nyiam dua.

Tus nqi:SS 201 feem ntau yog qhov kev xaiv zoo tshaj plaws. Yog tias pob nyiaj siv yog qhov kev txhawj xeeb loj, Hom 430 tuaj yeem yog lwm txoj hauv kev.

Kev cai:Qee daim ntawv thov yuav muaj cov ntaub ntawv tshwj xeeb raws li cov cai.

Kev txiav txim siab ntxiv:

Thaum nrhiav qhov sib npaug, nws yog ib qho tseem ceeb rau kev sab laj cov ntaub ntawv cov ntaub ntawv los sib piv cov tshuaj muaj pes tsawg leeg, cov khoom siv kho tshuab, thiab cov ntaub ntawv tiv thaiv corrosion.

Nco ntsoov xav txog cov ntawv thov tshwj xeeb thiab nws cov kev xav tau thaum xaiv cov khoom sib npaug.

Puas yog 201 stainless hlau zoo zoo?

201 stainless hlautuaj yeem suav hais tias zoo rau ntau daim ntawv thov, tab sis nws nyob ntawm seb koj txhais li cas los ntawm "zoo" thiab seb koj npaj siv nws li cas. Nov yog ib qho kev faib tawm ntawm nws qhov zoo thiab qhov tsis zoo los pab koj txiav txim siab:

Pros:

Nqis:Piv rau lwm cov qib stainless hlau zoo li 304, 201 yog pheej yig dua vim nws cov ntsiab lus qis nickel.

Formable:Nws muaj lub ntsej muag-centered cubic crystal qauv ua rau nws ua haujlwm tau zoo. Qhov no txhais tau tias nws tuaj yeem khoov tau yooj yim thiab zoo li tus qauv sib txawv yam tsis muaj kev tawg.

Tsawg Corrosion Resistant:Nws muaj kev tiv thaiv zoo rau corrosion nyob rau hauv ntau qhov chaw, xws li qhuav los yog sab hauv tsev.

Zoo Saib:Nws muaj qhov ci, ntxim nyiam kawg.

Cons:

Lower Corrosion Resistance:Piv rau qib siab nickel zoo li 304, 201 tsis tshua muaj kev tiv thaiv rau cov tshuaj hnyav, dej ntsev, lossis kub heev.

Ua Haujlwm Hardens:Thaum txias ua hauj lwm (khoov los yog zoo li tus), nws yuav muaj zog tab sis kuj tsis tshua muaj ductile (nyuaj rau khoov ntxiv).

Tsis muaj zaub mov zoo rau txhua daim ntawv thov:Thaum feem ntau suav hais tias yog qib zaub mov, nws yuav tsis haum rau cov khoom noj uas muaj kua qaub lossis qab ntsev vim muaj peev xwm leaching ntawm nickel.

Ntawm no yog thaum 201 stainless hlau yog ib qho kev xaiv zoo:

Kev siv sab hauv:Thaum corrosion kuj tsis yog ib qho kev txhawj xeeb loj, xws li hauv cov khoom siv los yog rooj tog zaum.

Ib puag ncig qhuav:Rau cov ntawv thov uas cov hlau yuav tsis raug cov dej noo ntau lossis cov tshuaj hnyav.

Formability yog qhov tseem ceeb:Yog tias qhov project yuav tsum tau khoov los yog shaping ntau.

Nyiaj txiag yog ib qho kev txwv:Thaum them nyiaj yog qhov tseem ceeb.

Nov yog thaum koj xav xav txog ntau hom stainless hlau:

Kev siv sab nrauv:Yog tias cov hlau yuav raug dej ntsev, los nag, lossis lwm yam hnyav, qib siab dua li 304 raug pom zoo.

Cov thawv ntim khoom noj lossis cov tais diav:Rau cov ntawv thov uas muaj cov khoom noj uas muaj kua qaub lossis qab ntsev, 304 los yog cov zaub mov-qib kev nyab xeeb yuav yog kev xaiv zoo dua.

Cov kev siv zog siab:Yog tias cov hlau xav tau hnyav hnyav lossis siab, cov hlau tsis muaj qib siab dua yuav tsim nyog dua.

Hauv cov ntsiab lus, 201 stainless hlau yog qhov zoo, kev xaiv pheej yig rau ntau daim ntawv thov uas tsis tas yuav muaj kev tiv thaiv corrosion los yog formability yog ib qho kev txhawj xeeb loj. Txawm li cas los xij, rau ib puag ncig hnyav, kev nyab xeeb khoom noj, lossis kev siv kev ntxhov siab, qib sib txawv ntawm stainless hlau yuav yog qhov kev xaiv zoo dua.

Puas yog 201 stainless hlau zoo rau kev ua noj?

Qhov tsim nyog ntawm 201 stainless hlau rau kev ua noj yog nyob ntawm daim ntawv thov tshwj xeeb:

Feem ntau:

Tsis zoo tagnrho rau txhua qhov ua noj:201 stainless hlau tuaj yeem siv rau qee daim ntawv thov ua noj, tab sis nws muaj kev txwv piv rau lwm qib xws li 304.

Yog vim li cas rau kev txwv:

Tsawg corrosion kuj:201 stainless hlau yog tsis tshua muaj resistant rau acidic los yog salty zaub mov piv rau 304. Qhov no tuaj yeem ua rau muaj peev xwm leaching ntawm npib tsib xee, tshwj xeeb tshaj yog nrog kev sib cuag ntev los yog cov khoom noj acidic xws li txiv lws suav lossis vinegar.

Tej zaum muaj kev txhawj xeeb txog kev noj qab haus huv:Leached nickel tuaj yeem nkag mus rau hauv cov zaub mov me me. Txawm hais tias qhov txaus ntshai ntawm kev noj qab haus huv tseem tab tom kawm, qee tus neeg nyiam zam nws tag nrho.

Thaum 201 stainless hlau tuaj yeem siv tau rau kev ua noj:

Kev tiv tauj luv luv:Yog tias kev sib cuag nrog zaub mov luv luv, qhov kev pheej hmoo ntawm nickel leaching qis dua. Piv txwv suav nrog kev siv 201 stainless hlau sib xyaw tais lossis cov tais diav ua noj uas yuav tsis nyob rau lub sijhawm ntev nrog zaub mov.

Cov khoom noj uas tsis yog acidic:Rau kev ua noj cov zaub mov uas tsis yog-acidic xws li zaub los yog pasta uas qhov kev pheej hmoo ntawm leaching yog qis dua.

Pom zoo lwm txoj hauv kev ua noj:

304 stainless hlau:Qhov no yog ib qho kev xaiv ntau dua thiab feem ntau muaj kev nyab xeeb rau cookware vim nws cov ntsiab lus ntau dua nickel thiab zoo dua corrosion kuj. Nws muaj kev pheej hmoo tsawg kawg ntawm nickel leaching thiab suav tias yog qib zaub mov zoo rau feem ntau daim ntawv thov ua noj.

Cam khwb cia hlau:Ib txwm siv thiab ntau yam khoom siv ua noj ua haus paub txog nws cov cua sov zoo thiab kav ntev. Thaum nws xav tau qee cov seasoning rau kev ua haujlwm zoo, nws feem ntau suav tias muaj kev nyab xeeb rau kev ua noj.

Zuag qhia tag nrho:

Thaum 201 stainless hlau tuaj yeem siv rau qee daim ntawv thov ua noj, nws raug nquahu kom siv ceev faj. Rau feem ntau lub hom phiaj ua noj, tshwj xeeb tshaj yog cov khoom noj uas muaj kua qaub los yog kev sib cuag ntev, 304 stainless hlau lossis cam khwb cia hlau muaj kev nyab xeeb dua thiab ntau txoj kev xaiv.

Puas yog 201 stainless hlau muaj kev nyab xeeb rau cov dej haus?

Kev nyab xeeb ntawm 201 stainless hlau rau cov dej haus yog nyob ntawm ntau yam:

Muaj peev xwm txhawj xeeb:

Tsawg corrosion kuj:Piv rau qib siab stainless hlau zoo li 304, 201 muaj kev tiv thaiv corrosion tsawg, tshwj xeeb tshaj yog nyob rau hauv acidic lossis chlorinated dej. Qhov no tuaj yeem ua rau muaj peev xwm leaching ntawm nickel thiab chromium rau hauv dej.

Kev tshem tawm ntawm nickel:Nickel yog ib qho kev txhawj xeeb txog kev noj qab haus huv yog tias noj ntau ntau. Txawm hais tias qhov txaus ntshai tseem tab tom kawm, qee tus neeg yuav nyiam zam nws tag nrho.

Factors yuav xav txog:

Kev cai:Qee lub tebchaws lossis cheeb tsam yuav muaj cov cai tshwj xeeb hais txog cov qib nickel thiab chromium uas tau txais hauv cov dej haus. Tshawb xyuas cov kev cai hauv zos kom ntseeg tau tias ua raws.

Length ntawm exposure:Qhov ntev ntawm cov dej nyob rau hauv kev sib cuag nrog 201 stainless hlau, lub peev xwm ntau dua rau leaching.

Dej zoo:Cov dej acidic lossis chlorinated ntau tuaj yeem ua kom cov txheej txheem leaching.

Cov lus pom zoo:

Muaj kev nyab xeeb dua:Rau kev cia ntev lossis siv ntau zaus, xaiv cov khoom noj-qib 304 stainless hlau lossis iav ntim feem ntau pom zoo. Cov ntaub ntawv no muaj kev tiv thaiv corrosion zoo tshaj thiab muaj kev pheej hmoo tsawg kawg ntawm leaching.

Kev siv sijhawm luv luv:Yog tias siv lub raj mis 201 stainless hlau dej qee zaus, qhov kev pheej hmoo ntawm leaching yuav qis dua. Txawm li cas los xij, nws tseem ceeb heev uas yuav tau xav txog yam xws li dej zoo thiab lub sij hawm raug.

Puas yog 201 stainless hlau hypoallergenic?

201 stainless hlaufeem ntau xav txogtsis tshua muaj kev tsis haum tshuaj, tab sis nws yuav tsis yog hypoallergenic nkaus rau txhua tus. Ntawm no yog ib qho kev sib cais:

Vim li cas nws tuaj yeem suav tias yog hypoallergenic:

Stainless hlau muaj pes tsawg leeg:Stainless hlau, suav nrog qib 201, feem ntau yog tsim los ntawm hlau, chromium, thiab npib tsib xee. Cov ntsiab lus no lawv tus kheej tsis paub tias yog cov khoom ua xua.

Passivation txheej:Stainless hlau tsim ib txheej chromium oxide nyias ntawm nws qhov chaw hu ua passivation txheej. Cov txheej no tiv thaiv cov hlau hauv qab los ntawm kev xeb thiab txo qhov tshwm sim ntawm nickel lossis chromium leaching rau ntawm daim tawv nqaij.

Vim li cas nws yuav tsis yog hypoallergenic kiag li rau txhua tus:

Nickel rhiab heev:Thaum cov npib tsib xee yog feem pua ​​​​ntawm 201 stainless hlau (3.5-5.5%), qee cov neeg muaj kev tsis haum nickel. Txawm tias me me ntawm nickel leaching tuaj yeem ua rau tawv nqaij khaus ntawm cov neeg no.

Tus kheej variations:Cov tawv nqaij rhiab heev tuaj yeem sib txawv ntawm ib tus neeg mus rau lwm tus. Txawm hais tias kev ua xua npib tsib xee tsis yog qhov teeb meem paub, qee tus neeg yuav muaj kev khaus khaus los ntawm kev sib cuag nrog cov hlau ntev ntev, suav nrog 201 stainless hlau.

Nov yog yam yuav tsum xav txog thaum siv 201 stainless hlau rau cov neeg uas muaj tawv nqaij rhiab:

Ua ntej ua xua keeb kwm:Yog tias koj muaj kev ua xua npib tsib xee, nws yog qhov zoo tshaj kom tsis txhob 201 stainless hlau hniav nyiaj hniav kub los yog lwm yam khoom siv tawv nqaij.

Saib rau cov tshuaj tiv thaiv:Yog tias koj muaj qhov khaus, liab, lossis tsis xis nyob thaum hnav 201 stainless hlau, txiav siv thiab sab laj nrog kws kho hniav.

Alternatives rau cov tawv nqaij rhiab heev:Kev phais-qib stainless hlau (316L) paub txog cov ntsiab lus nickel qis dua thiab tej zaum yuav yog ib qho kev xaiv zoo dua rau cov neeg uas muaj kev xav tsis zoo. Tsis tas li ntawd, cov ntaub ntawv hypoallergenic zoo li titanium lossis ceramic tuaj yeem yog lwm txoj hauv kev zoo.

201 stainless hlau puas tuaj yeem welded?

201 stainless hlau tuaj yeem welded siv tag nrho cov txheej txheem vuam siv rau 18 feem pua ​​​​chromium, 8 feem pua ​​​​nickel steels. Ntawm no yog ib qho kev tawg ntawm nws cov weldability:

Weldable:201 stainless hlau yog suav tias yog cov khoom siv weldable vim nws cov qauv austenitic. Cov qauv no ua rau nws muaj kev zam txim ntau dua thaum lub sij hawm vuam txheej txheem piv rau lwm hom stainless hlau.

Filler hlau:Cov pa chromium-nickel muab tub lim siv rau vuam 18/8 stainless hlau (xws li 304) tuaj yeem siv nrog 201 stainless hlau.

Txawm li cas los xij, muaj qee yam yuav tsum xav txog thaum vuam 201 stainless hlau:

Susceptibility rau intergranular corrosion:201 stainless hlau muaj cov pa roj carbon ntau dua piv rau lwm cov qib zoo li 304. Qhov no ua rau nws muaj kev cuam tshuam ntau dua rau ib hom kev xeb hu ua intergranular corrosion nyob rau hauv tshav kub-cuam tshuam cheeb tsam (HAZ) ntawm cov vuam.

Tom qab vuam tu thiab passivation:Txhawm rau txo qhov kev pheej hmoo ntawm intergranular corrosion, tsim nyog tom qab vuam tu thiab passivation yog qhov tseem ceeb. Qhov no tshem tawm cov kab mob thiab pab rov tsim cov chromium oxide txheej uas tiv thaiv cov hlau los ntawm corrosion.

Nov yog qee cov ntsiab lus ntxiv uas yuav tsum nco ntsoov:

Weld kev txawj ntse:Thaum weldable, 201 stainless hlau xav tau cov txheej txheem vuam kom zoo kom txo tau qhov kev pheej hmoo ntawm corrosion. Yog tias koj tsis yog ib tus kws tshaj lij welder, xav txog kev sab laj tus kws tshaj lij kom tau txais txiaj ntsig zoo.

Kev txiav txim siab ntawm daim ntawv thov:Lub peev xwm rau intergranular corrosion yog ib qho kev txhawj xeeb loj dua rau cov ntawv thov uas cov welded sib koom yuav raug cuam tshuam rau qhov chaw hnyav lossis cov ntsiab lus corrosive.

Zuag qhia tag nrho, 201 stainless hlau tuaj yeem ua tau zoo welded siv cov txheej txheem ib txwm siv nrog kev txiav txim siab zoo rau kev xaiv hlau muab tub lim, tom qab vuam tu, thiab muaj peev xwm ua rau muaj kev phom sij hauv thaj chaw kub.

Puas yog cov hlau nplaum lo rau 201 stainless hlau?

Cov khoom sib nqus ntawm 201 stainless hlau nyob ntawm nwsmob:

Nyob rau hauv nws cov mob annealed (thaum nws tau rhuab thiab maj mam txias):201 stainless hlau yogfeem ntau tsis sib nqus. Qhov no yog vim nws lub ntsej muag-centered cubic siv lead ua qauv tsis tso cai rau kev sib haum xeeb ntawm hlau atoms tsim nyog rau cov hlau nplaum.

Nyob rau hauv nws txias ua hauj lwm mob (thaum nws tau deformed los ntawm cov txheej txheem xws li dov los yog kos duab):201 stainless hlau tuaj yeem uatsis muaj zog hlau nplaum. Kev ua haujlwm txias cuam tshuam cov qauv siv lead ua thiab tso cai rau qee cov hlau atoms kom sib haum, ua rau muaj kev sib nqus me ntsis.

Nov yog qhov kev sib cais ntawm vim li cas hlau nplaum tuaj yeem tshwm sim:

Crystal qauv:Cov qib stainless hlau feem ntau yog austenitic, nrog lub ntsej muag-centered cubic crystal qauv. Nyob rau hauv cov qauv no, kev npaj ntawm atoms cuam tshuam cov kev sib raug zoo ntawm cov hlau atoms, ib qho tseem ceeb ntawm cov hlau nplaum.

Ua haujlwm txias:Thaum 201 stainless hlau raug rau cov txheej txheem ua haujlwm txias, cov qauv siv lead ua tau hloov pauv. Qhov kev cuam tshuam no tso cai rau qee qhov me me ntawm cov hlau atoms kom sib haum, ua rau cov hlau tsis muaj zog sib nqus.

Cov ntsiab lus tseem ceeb uas yuav tsum nco ntsoov:

Ib lub hlau nplaum yuav tsis lo pom zoo rau 201 stainless hlau, tshwj xeeb tshaj yog nyob rau hauv nws lub xeev annealed.

Txawm tias nyob rau hauv nws lub xeev ua hauj lwm txias, lub magnetic attraction feem ntau tsis muaj zog. Tej zaum koj yuav xav tau cov hlau nplaum muaj zog txhawm rau txhawm rau rub me ntsis.

Magnetism tsis yog qhov qhia tau ntawm qib. Thaum 201 feem ntau tsis sib nqus thaum annealed, lwm qib stainless hlau (xws li 430) yog sib nqus txawm tias tsis ua haujlwm txias.

Rau kev txheeb xyuas qhov zoo ntawm 201 stainless hlau qib, kev cia siab rau cov hlau nplaum tsis pom zoo. Siv cov kev txhim khu kev qha ntau dua xws li:

Tshuaj ntsuam xyuas:Qhov no suav nrog kev sim cov hlau cov tshuaj muaj pes tsawg leeg los txiav txim qhov feem pua ​​​​ntawm cov ntsiab lus xws li chromium, npib tsib xee, thiab manganese.

Cov ntaub ntawv pov thawj:Yog tias cov hlau tuaj nrog cov ntaub ntawv pov thawj, nws yuav qhia qib (piv txwv li, 201).

X-Ray Fluorescence (XRF):Qhov no yog cov txheej txheem tsis muaj kev puas tsuaj uas tuaj yeem siv los txiav txim siab cov ntsiab lus ntawm cov hlau ntawm qhov chaw.

Dab tsi yog qhov txawv ntawm 201 thiab 301 stainless hlau?

Ntawm no yog qhov sib txawv ntawm qhov sib txawv tseem ceeb ntawm 201 thiab 301 stainless hlau:

Kev sib xyaw:

201:Austenitic chromium-nickel-manganese stainless hlau. Muaj 16-18% chromium, 3.5-5.5% nickel, thiab 5.5-7.5% manganese. Nickel yog ib nrab hloov los ntawm manganese rau cov nqi-zoo.

301:Austenitic chromium-nickel stainless hlau. Muaj 16-18% chromium, 6-8% nickel, thiab qis manganese cov ntsiab lus piv rau 201.

Khoom:

Corrosion Resistance:

201: Muaj kev tiv thaiv corrosion nruab nrab, haum rau ntau qhov chaw tab sis tsis tshua muaj resistant tshaj 301. Tsis zoo tagnrho rau cov dej ntsev los yog acidic / alkaline ib puag ncig.

301: Muaj kev tiv thaiv corrosion zoo dua vim muaj cov ntsiab lus nickel ntau dua, ua rau nws xaiv zoo dua rau qhov hnyav dua.

Lub zog:

201: Feem ntau tsis tshua muaj zog tshaj 301 vim muaj cov ntsiab lus carbon tsawg.

301: Muaj lub zog tensile ntau dua thiab lub zog tawm los vim muaj cov ntsiab lus carbon ntau dua, ua rau nws tsim nyog rau cov ntawv thov uas xav tau cov khoom muaj zog dua.

Ua Haujlwm Hardening:

Ob leeg 201 thiab 301 ua hauj lwm nyuaj (ua kom muaj zog thiab tsawg dua) thaum ua haujlwm txias.

Magnetism:

Ob qho tib si feem ntau tsis yog sib nqus hauv qhov mob annealed, tab sis 201 tuaj yeem sib nqus me ntsis tom qab ua haujlwm txias vim nws cov ntsiab lus ntau dua manganese.

Daim ntawv thov:

201:Vim nws pheej yig thiab formability, nws tau siv nyob rau hauv ntau yam kev siv uas zoo corrosion kuj thiab formability yog ib qho tseem ceeb, tab sis huab kuj tsis tseem ceeb. Piv txwv muaj xws li cov khoom siv tsheb, cov khoom siv trim, rooj tog zaum, thiab cov kav dej tsis zoo.

301:Feem ntau siv nyob rau hauv daim ntawv thov uas yuav tsum tau zoo formability nrog rau zoo corrosion kuj tshaj 201. Piv txwv li xws li automotive trim, springs, thiab cov khoom uas raug rau ya raws.

Xaiv Ntawm 201 thiab 301:

Qhov kev xaiv nyob ntawm daim ntawv thov tshwj xeeb thiab nws cov kev xav tau. Xav txog cov xwm txheej no:

Ib puag ncig:Yog tias cov hlau yuav raug cov tshuaj hnyav, dej ntsev, lossis qhov kub thiab txias, 301 yog qhov kev xaiv zoo dua.

Formability:Yog hais tias cov hlau yuav tsum tau khoov los yog zoo li tus loj, ob qho tib si yuav haum, tab sis 201 tej zaum yuav muab me ntsis zoo formability vim nws txo qis ua hauj lwm hardening tus nqi.

Lub zog:Yog tias daim ntawv thov xav tau lub zog siab, 301 yog qhov kev xaiv zoo dua.

Tus nqi:201 feem ntau pheej yig dua vim nws cov ntsiab lus qis nickel.

Nov yog ib lub rooj hais txog qhov sib txawv tseem ceeb:

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