410 vs 304 Stainless hlau: Nqe, Muaj pes tsawg leeg, thiab daim ntawv thov sib piv

2025-06-27 : kuv

Taw qhia rau 410 thiab 304 Stainless hlau:410 thiab 304 stainless hlau yog ob hom kev lag luam nrog cov khoom sib txawv. Qib 410 yog 400-series martensitic stainless hlau uas muaj kwv yees li 11.5-13.5% chromium thiab nickel tsawg heev. Nws yog sib nqus thiab tuaj yeem kho cua sov kom siab zog thiab hardness. Hauv qhov sib piv, 304 yog 18/8 austenitic stainless hlau nrog txog 18-20% chromium thiab 8-11% npib tsib xee. Cov ntsiab lus nickel siab ua rau 304 tsis-magnetic thiab muab nws zoo heev corrosion kuj. Cov txheej txheem sib txawv no txhais ua kev lag luam tawm hauv cov nqi, lub zog, thiab kev ua haujlwm corrosion. 410 stainless hlau vs 304

Nqe Sib piv

Feem ntau, 410 Stainless hlau yog ho pheej yig dua 304. Piv txwv li, cov nqi lag luam (circa 2024) muab 410 ib ncig$2,100 ib metric ton i304 ib $3,500 ib tuj. Tus nqi siab dua ntawm 304 feem ntau los ntawm nws cov ntsiab lus npib tsib xee (nickel yog ib qho khoom siv kim heev). Tau kawg, cov khoom siv raw cov nqi hloov pauv, yog li cov neeg yuav khoom yuav tsum paub meej cov nqe lus tam sim no. Tab sis raws li txoj cai ntawm tus ntiv tes xoo, 410 tuaj yeem txuag tau ntau txhiab daus las ib tuj piv rau 304 hauv kev yuav khoom ntau.

Hom kev faib tawm: Martensitic vs. Austenitic

410 Stainless hlau (Martensitic) - 400-series stainless hlau nrog txog 12% chromium thiab zoo li tsis muaj npib tsib xee. Nws muaj lub cev-centered cubic (BCC) qauv, uas ua rau nws sib nqus thiab tso cai rau hardening los ntawm kev kho cua sov. Martensitic steels paub txog lub zog siab thiab hnav tsis kam thaum tempered.
304 Stainless hlau (Austenitic) - 300-series stainless hlau nrog txog 18-20% chromium thiab 8-11% npib tsib xee. Nws muaj lub ntsej muag-centered cubic (FCC) siv lead ua qauv thiab tsis yog hlau nplaum. Austenitic steels muaj ntau dua nickel, uas txhim kho corrosion kuj. Lawv tsis tuaj yeem ua kom tawv nqaij los ntawm kev kho cua sov (tsuas yog los ntawm kev ua haujlwm txias) tab sis muab cov tawv tawv zoo heev thiab tsim tau.

Cov kev faib tawm qhov sib txawv no txhais tau hais tias 410 yog qhov nyuaj thiab muaj zog dua (thaum kho cua sov), thaum 304 yog cov ductile thiab corrosion-resistant.

Daim Ntawv Thov Ntau thiab Kev Ua Haujlwm

410 stainless hlau lub zog siab thiab hardenability ua rau nws haum rau hnav-resistant thiab nruab nrab-kub daim ntaub ntawv. Kev siv ntau suav nrog cutlery, hniav, springs, fasteners, twj tso kua mis shafts, thiab valve qhov chaw - Cheebtsam uas yuav tsum tau durability thiab cuam tshuam tsis kam. 410 kuj tuaj yeem tiv taus qhov kub thiab txias, tab sis nws qhov kev tiv thaiv corrosion tsuas yog ncaj ncees: muaj zog acids, chlorides, los yog tsis tu ncua noo noo tuaj yeem ua rau xeb lossis tawg hauv 410. Nws qhov kev ua tau zoo ntawm qhov kub siab heev lossis qis heev kuj tseem txwv.

Los ntawm qhov sib txawv, 304 stainless hlau ua tau zoo nyob rau hauv corrosive, ntub dej, los yog ib puag ncig huv si. Nws 18-20% chromium thiab 8-11% nickel tsim ib zaj duab xis oxide passive uas tiv thaiv xeb thiab oxidation. 304 yog dav siv nyob rau hauv kev ua zaub mov, tshuaj, khoom siv hauv chav ua noj, thiab cov khoom siv tshuaj. Nws tuaj yeem ua haujlwm ntawm ob qhov kub thiab txias txias (txog ~ 800 ° C) yam tsis poob ntau lub zog. Nws kuj yog qhov yooj yim dua rau vuam thiab daim ntawv: 304 feem ntau suav tias yog vuam ntau dua thiab ductile tshaj 410.

Kev siv Scenarios

Cutlery thiab cuab yeej: 410's hardness ua rau nws zoo tagnrho rau cov hniav riam, txiab, thiab cov cuab yeej txiav hnyav. (Yog xav tau kev tiv thaiv corrosion hauv tableware, austenitic qib zoo li 304 lossis 316 yuav siv tau.)

Chav ua noj thiab khoom noj khoom haus: 304 yog qhov zoo dua rau cov dab dej, cookware, thiab cov khoom noj sib cuag vim nws cov corrosion kuj thiab cov khoom noj-kev nyab xeeb profileaoxingmetal.com uaunifiedalloys.com. Piv txwv li, 304 yog siv nyob rau hauv piping thiab tso tsheb hlau luam nyob rau hauv cov zaub mov, whereas 410 tej zaum yuav siv tau rau tes los yog lwm thav ntawv tsis nyob rau hauv kev sib cuag nrog cov zaub mov.

Fasteners thiab Mechanical Hardware: Bolts, ceev, screws, thiab bushings feem ntau yog ua los ntawm 410ib azom.com kom txuag nqi thaum muab lub zog zoo. Ib yam li ntawd, lub twj tso kua mis los yog lub valve stems nyob rau hauv ib puag ncig me me yuav siv tau 410. Yog tias cov khoom no raug rau cov tshuaj lom neeg, lawv cov vaj tse lossis cov khoom raug feem ntau yog ua los ntawm 304.

Chemical, Roj, thiab Cov Khoom Siv Marine: 304 (los yog siab dua alloys) dominates qhov twg acid, dej ntsev, los yog lwm yam hnyav hnyav. Tank, heat exchangers, thiab piping nyob rau hauv tshuaj nroj tsuag los yog marine ib puag ncig feem ntau siv 304. Martensitic 410 yog tsis tshua muaj siv nyob rau hauv cov kev aggression tej yam kev mob.

Cov khoom siv tiag tiag hauv ntiaj teb siv piv txwv

Hauv kev xyaum, cov neeg tsim khoom feem ntau muab cov qhab nia los ua kom zoo dua tus nqi thiab kev ua haujlwm. Piv txwv li, lub lauj kaub hluav taws xob yuav siv tau 304 stainless hlau rau lub lauj kaub ua noj sab hauv (rau zaub mov kev nyab xeeb thiab xeb tsis kam) thiab 410 stainless hlau rau sab nrauv (rau lub zog thiab tus nqi qis). Ib yam li ntawd, riam chav ua noj feem ntau siv 410 rau cov hniav, thaum lub dab dej thiab cov faucets yog ua los ntawm 304 los tiv thaiv dej corrosion. Hauv cov khoom siv hauv tsev, 410 tuaj yeem siv rau cov thav duab sab hauv lossis cov hlua khi, thaum cov vaj huam sib luag thiab qhov chaw raug dej yog 304.

Xaus thiab Cov Lus Qhia Xaiv Cov Khoom

Kev xaiv ntawm 410 thiab 304 nyob ntawm daim ntawv thov qhov tseem ceeb. Feem ntau:

410 Stainless hlau: Muaj lub zog, hardness, thiab tus nqi qis. Nws yog haum rau hnav-resistant qhov chaw thiab ib puag ncig me me. Nws cov downsides yog nruab nrab corrosion kuj (nws muaj peev xwm xeb nyob rau hauv hnyav tej yam kev mob) thiab ntau nyuaj machining (410 nyhav rau ua hauj lwm-harden).
304 Stainless hlau: Muaj zoo heev corrosion kuj thiab toughness. Nws yog qhov kev xaiv zoo dua rau cov ntaub ntub dej, kua qaub, lossis cov khoom siv huv, thiab nws tsis yog hlau nplaum. Nws drawbacks yog tus nqi siab dua (vim npib tsib xee) thiab qis siab tshaj plaws hardness (tsis muaj cua sov-kho hardening).

Cov kws tshaj lij kev muag khoom yuav tsum ntsuas qhov chaw ib puag ncig thiab kev xav tau kev siv tshuab. Yog tias kev tiv thaiv corrosion lossis kev nyiam huv yog qhov tseem ceeb, 304 tsim nyog tus nqi; Yog tias cov khoom siv ua haujlwm ntev thiab tus nqi qis dua yog qhov tseem ceeb, 410 yuav txaus. Nco ntsoov xyuas cov nqi lag luam tam sim no (nickel tus nqi swings tuaj yeem cuam tshuam rau 304 tus nqi) thiab sab laj cov ntaub ntawv xa khoom. Los ntawm kev sib piv cov qib steel rau cov kev xav tau tshwj xeeb, cov neeg yuav khoom tuaj yeem ua kom zoo dua rau kev ua haujlwm thiab kev siv nyiaj txiag.