Qhov sib txawv ntawm 316L thiab 304 Stainless Hlau
Ob leeg316l304 ibyog austenitic stainless hlau siv dav hauv kev lag luam, kev tsim kho, kev kho mob, thiab kev siv khoom noj. Txawm li cas los xij, lawv txawv heev hauvtshuaj muaj pes tsawg leeg, corrosion kuj, mechanical zog, thiab kev siv.
1. Tshuaj muaj pes tsawg leeg
304 Stainless hlau: Feem ntau yog tsim los ntawm18% chromium (Cr) thiab 8% nickel (Ni), uas yog vim li cas nws tseem hu ua18-8 stainless hlau.
316L Stainless hlau: Muaj16-18% chromium, 10-14% npib tsib xee, thiab ib qho ntxiv2-3% molybdenum (Mo), uas txhim kho nws cov corrosion kuj.
Cov"L" hauv 316Lsawv rauCov pa roj carbon tsawg (≤0.03%), txhim kho nws cov weldability thiab txo qhov kev pheej hmoo ntawm intergranular corrosion.
2. Corrosion Resistance
304 muaj corrosion kuj zoo, haum rau ib puag ncig thiab raug oxidizing acids.
316L muaj kev tiv thaiv corrosion zoo tshaj, tshwj xeeb hauvchloride-nplua nuj ib puag ncig(xws li dej hiav txwv thiab dej qab ntsev), ua tsaug rau molybdenum, uas pab tiv thaivpitting thiab crevice corrosion.
3. Mechanical Properties & Workability
304 muaj zog dua, nrog rau nruab nrab hardness, ua rau nws yooj yim rau txias-ua hauj lwm, khoov, thiab weld.
316L yog me ntsis zog tab sis ntau ductile, nrog qis carbon cov ntsiab lus uas txhim khoweldability, ua rau nws zoo tagnrho rau cov ntawv thov uas tsis tuaj yeem kho cua sov tom qab vuam.
4. Tus nqi sib piv
316L yog kim dua 304, feem ntau yog vim nws cov nickel ntau dua thiab molybdenum cov ntsiab lus, uas ua rau cov nqi ntau lawm.
5. Cov ntawv thov tseem ceeb
| Feature | 304 Stainless hlau | 316L Stainless hlau |
|---|---|---|
| Corrosion Resistance | General tsis kam, haum rau txhua hnub ib puag ncig | Superior corrosion kuj, zoo tagnrho rau acidic, marine, thiab chloride-nplua nuj ib puag ncig |
| Mechanical Strength | Lub zog siab dua, yooj yim ua haujlwm nrog | Yooj yim dua, zoo heev rau vuam |
| Nqi | pheej yig dua | kim dua |
| Siv dav | Rooj tog, chav ua noj, tsev kho kom zoo nkauj | Cov cuab yeej kho mob, kev ua zaub mov, khoom siv hauv hiav txwv, cov kav dej tshuaj |
Xaus
Yog tias koj daim ntawv thov nyob hauv aib puag ncig(xws li chav ua noj, khoom siv hauv tsev, lossis khoom siv hauv tsev),304 yog qhov kev xaiv zoo tshaj plaws. Txawm li cas los xij, rauib puag ncig corrosive heev(xws li dej hiav txwv, kev ua tshuaj, lossis tshuaj) lossisqhov twg superior weldability yuav tsum tau, 316L yog qhov kev xaiv zoo dua.
Post lub sij hawm: Mar-13-2025