Qhov txawv ntawm 420,430 Stainless hlau yog dab tsi?

Dab tsi yog qhov txawv ntawm 420,430 stainless hlau?

1. Kev ua tau zoo sib txawv: 420 stainless hlau muaj qee yam hnav tsis kam thiab corrosion kuj, siab hardness, tab sis me ntsis tsis zoo corrosion kuj. 430 stainless hlau muaj oxidation tsis kam, corrosion kuj, kev nyab xeeb thiab tsis muaj tshuaj lom, tsis zoo txhua yam khoom thiab cov txheej txheem.

2. Ntau hom: 420 belongs rau martensitic stainless hlau. 430 stainless hlau yog ferritic stainless hlau.

3. Cov ntsiab lus sib txawv: 420 stainless hlau muaj cov ntsiab lus carbon ntau dua, carbon C: 0.30~0.40 Cr: 12.0-14.0 Nws. 430 stainless hlau muaj cov ntsiab lus chromium siab, carbon (C): Tsawg dua lossis sib npaug rau 0.12%, chromium (Cr): 16.00~ 18.00 %.

4. Cov tshuab ua haujlwm txawv: 420 stainless hlau tuaj yeem ua kom sov-hardened, quenched thiab tempered los txhim kho hardness thiab nto hnav tsis kam. 430 stainless hlau tuaj yeem kho qhov sib sib zog nqus, thermal conductivity zoo dua austenite, thermal expansion coefficient tsawg dua austenite.

5. Kev siv sib txawv: 420 stainless hlau feem ntau yog siv rau hauv precision machinery, bearings, instruments, meters, tsheb thauj mus los thiab lwm yam. 430 feem ntau yog siv rau nitric acid thiab khoom noj khoom haus Hoobkas khoom, roj burner qhov chaw, khoom siv hauv tsev, khoom siv hauv tsev, roj turbine qhov chaw, thiab lwm yam.