304 Thiab 316 Stainless hlau: Dab tsi yog qhov sib txawv?
Stainless hlau yog ib qho ntawm cov khoom siv uas nquag siv hauv kev tsim khoom, tsim kho, kev kho mob, thiab cov khoom siv cov khoom lag luam. Ntawm ntau hom ntawm stainless hlau muaj,304 thiab 316 Stainless hlauyog cov qhab nia nrov tshaj plaws, tshwj xeeb tshaj yog nyob rau hauvTsev neeg Austenitentic, paub rau lawv zoo heev corrosion tsis kam thiab muaj peev xwm.
Txawm hais tias lawv zoo ib yam li thiab feem ntau siv sib pauv hauv ntau yam kev siv, muaj qhov sib txawv tseem ceeb ntawm 304 thiab 316 Stainless hlau. Nkag siab cov kev sib txawv no yog qhov tseem ceeb rau kev xaiv cov khoom siv tau rau koj daim ntawv thov tshwj xeeb, seb koj ib puag ncig ua lag luam, lossis cov qauv ua khoom noj.
Kab lus no dhia sib sib zog nqus rau hauv cov yam ntxwv, tshuaj lom neeg sib xyaw, kev siv, zoo, thiab cov kev txwv ntawm304 vs . 316}} stainless hlau, muab cov kev sib piv tau zoo los pab koj ua kom txiav txim siab.
1. Txheej txheem cej luam ntawm stainless hlau
Stainless hlau yog ib tug hlau alloy uas muaj qhov tsawg kawg nkaus10.5% chromiumlos ntawm huab hwm coj. Qhov chromium cov ntsiab lus tsim aPassive TxheejNtawm cov hlau nto, muab corrosion tsis kam thiab tiv thaiv xeb. Ntau dua cov ntsiab lus chromium thiab ntxiv rau ntawm cov ntsiab lus li npib tsib xee, molybdenum, thiab nitrogen txhim ntau ntau yam ntau yam tshuab kho tshuab thiab tshuaj lom neeg.
Ob 304 thiab 316 Stainless hlau yogAUSTENITIC, lub ntsiab lus lawv tsis yog - sib nqus thiab muaj cov sib nqus thiab muaj cov qauv siv lead ua uas txhim kho lawv lub ductility thiab weldability.
2. Tshuaj lom neeg sib xyaw
Qhov sib txawv ntawm kev sib txawv ntawm 304 thiab 316 stainless tus neeg dag nyob rau hauv lawv cov tshuaj lom neeg muaj pes tsawg {}} dua qhov sib ntxiv ntawmmolybdenumHauv 316.
| Lub ntsiab | 304 Stainless Hlau | 316 Stainless Hlau |
|---|---|---|
| Chromium (cr) | 18.0–20.0% | 16.0–18.0% |
| Npib tsib caug (ni) | 8.0–10.5% | 10.0–14.0% |
| Molybdenum (mo) | 0% | 2.0–3.0% |
| Carbon (c) | Tsawg dua los yog sib npaug rau 0.08% | Tsawg dua los yog sib npaug rau 0.08% |
| Manganese (mn) | Tsawg dua los yog sib npaug rau 2.0% | Tsawg dua los yog sib npaug rau 2.0% |
| Silicon (si) | Tsawg dua los yog sib npaug rau 1.0% | Tsawg dua los yog sib npaug rau 1.0% |
| Phosphorus (p) | Tsawg dua los yog sib npaug rau 0.045% | Tsawg dua los yog sib npaug rau 0.045% |
| Sulphur (s) | Tsawg dua los yog sib npaug rau 0.03% | Tsawg dua los yog sib npaug rau 0.03% |
| Hlau (FE) | Seem | Seem |
Qhov sib txawv:Lub xub ntiag ntawmmolybdenumHauv 316 muab kev ua kom zoo dua, tshwj xeeb tshaj yog tawm tsam chlorides thiab kev muaj kuab lom.
3. Corrosion Kuj
304 Stainless Hlau:
Muaj kev tiv thaiv corrosion zoo heev nyob rau hauv ntau qhov chaw ib puag ncig.
Ua tau zoo nyob rau hauv sab hauv tsev thiab huab cua huab cua dub.
Raug raupitting corrosionHauv chloride ib puag ncig (zoo li ntsev).
316 Stainless Hlau:
MuabSuperior tsis kam mus rau chlorides, acids, thiab marine ib puag ncig.
Lub Molybdenum cov ntsiab lus tseem ceeb txhim kho kompitting thiab crevice corrosion.
Feem ntau siv nyob rau hauv cov chaw hnyav ib puag ncig nyiamTshuaj Nroj TsuagthiabMarine chaw.
Kev Txiav Txim Siab:Yog tias koj daim ntawv thov cuam tshuam nrogSeem dej, cov tshuaj acidic, lossis tshuaj lom neeg, 316 yog qhov kev xaiv zoo dua.
4. Cov Khoom Siv Neeg Kho Tshuab
Ob 304 thiab 316 Stainless Hlau Muab lub zog siab thiab ua rau lawv zoo tagnrho rau ntau yam qauv thiab thauj khoom {2} {cov koob tshuaj. Txawm li cas los xij, lawv cov khoom siv mechanical yog qhov zoo sib xws nrog kev sib txawv me me xwb.
| Ntiag tug | 304 ss | 316 SS |
|---|---|---|
| Lub zog tensile | ~ 505 MPa (73,200 PSI) | ~ 515 mpa (74,700 psi) |
| Paib lub zog | ~ 215 MPa (31,200 PSI) | ~ 205 MPa (29,700 psi) |
| Elongation thaum so | ~70% | ~60% |
| Hardness (Brinell) | ~201 | ~217 |
Nco tseg:Cov khoom no yuav sib txawv raws kev tsim khoom thiab kho cua sov.
Kev Txiav Txim Siab:Thaum ob qib kawm yog muaj zog, 316 muaj me ntsis siab dua lub zog thiab hardness.
5. Cua Sov Resistance
304 Stainless Hlau:
Tswj hwm oxidation zoo tiv taus870℃(1598℃f).
Kev siv txuas ntxiv ntawm 425 - 860℃tej zaum yuav ua raucarboide nag lossis daus, txo cov corrosion tsis kam.
316 Stainless Hlau:
Me ntsis zoo dua tsis kam mus rau qhov kub.
Ntau tiv taus rautxiavthiaboxidationntawm kev nce siab kub.
Kev Txiav Txim Siab:Rau siab siab -} qhov chaw ib puag ncig, 316 Stainless Hlau ua ib nyuag zoo dua 304.
6. Sib Nqus Cov Khoom Siv
Ob 304 thiab 316 yogtsis - sib nqusnyob rau hauv lawv annealed xeev.
Txias ua haujlwm (piv txwv li, kev sib sau, machining) tuaj yeem ntxiasqee qhov hlau nplaum, tshwj xeeb hauv 304.
Yog tias kev sib nqus kev sib nqus yog qhov kev txhawj xeeb, 316 feem ntau nyiam vim nws qhov kev ua tau qis dua rau Magnetism.
7. Nqi sib txawv
304 Stainless Hlau:
Ntau dua kev lag luamthiab muaj dav.
Xav txog cov ntawv thov dav dav uas yog huab tsis kam yog tsis tseem ceeb.
316 Stainless Hlau:
Kim duaVim yog qhov sib ntxiv ntawm Molybdenum thiab siab dua tsib xee cov ntsiab lus.
Cov nqi tuaj yeem yog 20-30% ntau dua 304 nyob ntawm kev ua lag luam.
Kev Txiav Txim Siab:304 yog tus nqi ntau -}} Siv tau ua tau zoo rau kev siv dav dav, thaum 316 ua kom nws cov nqi siab dua hauv cov chaw muaj teeb meem.
8. Kev thov
Cov Kev Siv Tib Neeg ntawm 304 Stainless Hlau:
Cov khoom siv hauv chav ua noj (dab dej, cutlery, cookware)
Cov Khoom Noj thiab Dej Haus Ua
Vaj tse Architectural thiab Trim
Tso tsheb hlau luam thiab ntim rau sab hauv tsev siv
Automotive Qhov Chaw
Cov Hluav Taws Xob Tshav Kub Kub
Cov Kev Siv Tib Neeg ntawm 316 Stainless Hlau:
Marine Khoom Siv (Lub Nkoj Fittings, Lawj Vajtse)
Kws Tshuaj Kho Mob thiab Tshuaj
Kho Mob Kho Mob thiab Kev Ntsuas Cov twj
Nqaum arectionents
Khoom noj ua haus ua hauv ntsev - kev nplua nuj ib puag ncig
Cov tshuab hluav taws kub raug nthuav tawm dej hiav txwv
Kev Txiav Txim Siab:Yog tias koj daim ntawv thov cuam tshuam nrogtshuaj lom neeg, dej hiav txwv, lossis tsis muaj menyuam, 316 yog qhov zoo dua. Rau cov neeg dav dav sab hauv tsev thiab siv cov txheej txheem, 304 yog txaus.
9. Weldability thiab Fabrication
Ob 304 thiab 316 Stainless cov khoom pom zoo heevhwj txwvSiv cov txheej txheem ntau tshaj plaws.
304 Stainless Hlau: Yooj yim dua rau fabricate thiab Weld, haum rau cov ntawv thov uas tsis tas yuav muaj mob corrosion tsis kam.
316 Stainless Hlau: Kuj tseem xav tau tab sis yuav xav tau tshaj tawm - weld annealing rau corrosion siab tshaj plaws, tshwj xeeb tshaj yog nyob rau hauv lub siab- chloride ib puag ncig.
Machining yog me ntsis ntau nyuaj rau 316 vim nws cov khoom dua siab dua thiab ua haujlwm {1} {{tawv tawv.
10. Txij Nkawm thiab Tu
Ob qib tau yooj yim ntxuav thiab saib xyuas tab sis sib txawv me ntsis hauv kev ua rau lub sijhawm.
304 tej zaum yuav muajNto Rustlossis discoloration thaum raug rau chlorides lossis ya raws.
316 Khuv xim nws cov zoo li qub thiab yogNtau tiv taus rau Tarnishing, staining, thiab pitting nto.
Rau cov ntawv thov huv (piv txwv li, cov chaw muag tshuaj, zaub mov- qib), 316 yog qhov zoo dua vim tias yooj yim dua.
11. Cov ntsiab lus: Qhov sib txawv ntawm 304 thiab 316 Stainless hlau
| Ntiag tug | 304 ss | 316 SS |
|---|---|---|
| Corrosion Kuj | Siab | Siab heev |
| Chloride tsis kam | Tswj kav | Zoo tshaj |
| Tshuaj Kuj | Zoo | Zoo tshaj |
| Tus nqi | Qi dua | Siab dua |
| Cov Ntawv Thov | Nais phoo | Marine, Kho Mob, Tshuaj |
| Molybdenum cov ntsiab lus | Tsis muaj | 2–3% |
| Sealwater siv | Tsis zoo tagnrho | Zoo tshaj plaws |
| Hwj txwv | Zoo tshaj | Zoo tshaj |
| Thaum Tshav Kub Kub Ua | Siab |
Siab dua
|
12. Koj yuav xaiv qhov twg?
Xaiv 304 stainless hlau yog tias:
Koj xav tau tus nqi {-} Cov khoom siv tau zoo nrog zoo corrosion tsis kam.
Koj daim ntawv thov yog sab hauv lossis tsis -} kev txhoj puab sab nraum zoov.
Koj tab tom ua haujlwm hauv kev ua zaub mov noj lossis cov qauv txheej txheem nrog tsis muaj tshuaj pleev ib ce.
Xaiv 316 stainless hlau yog tias:
Koj nyob nraum nrogdej qab ntsev, acids, lossis tshuaj hnyav.
Koj xav tau corrosion siab dua, tshwj xeeb hauvMarine lossis Tshuaj Lom.
Koj daim ntawv thov koom nrogCov twj siv kho moblossisHuv chaw ib puag ncigYuav tsum muaj kom tsis muaj menyuam.
Tag
Thaum 304 thiab 316 stainless hlau muaj ntau yam ntxwv, lawv qhov sib txawv {} {}} muaj kev cuam tshuam nrog cov kev siv nyiaj txiag rau kev xav tau tsawg dua.
Los ntawm kev nkag siab txog qhov sib txawv thiab lub peev xwm ntawm ob hom qauv stainless, koj tuaj yeem ua kom zoo dua qub kev ua tau zoo, ntev thiab nqi {- efficiency hauv koj cov phiaj xwm.
Yog tias koj tau sorcing stainless hlau Cheebtsam lossis fabrications, kev xav tau kev ua haujlwm, kev xav tau tshuaj lom neeg, thiab peev nyiaj los xaiv ntawm 304 thiab 316 ntse.
POWERWINX yog cov chaw tsim khoom tshaj lij tshwj xeeb hauv kev ntsuas CNC MACHINING ntawm 304 thiab 316 Stainless hlau (sus). Nrog cov cuab yeej siv siab heev thiab kev paub txog engineers, peb xa high -}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}} Kev mob, thiab cov tubrog nkoj, thiab cov tubrog nkoj, thiab cov tubrogrogress. Peb cov kws tshaj lij kom paub meej tias zoo heev nto tiav, kav ntev, thiab corrosion tsis kam ua kom tau raws li cov neeg siv khoom xav tau tshaj plaws.