420 J2 stainless hlau yog dab tsi?
Feb 25, 2026
Tso lus
Stainless hlau qib 420J2 yog pheej yig thiab corrosion resistant hlau. Nws muaj zoo corrosion kuj nyob rau hauv me me qhov chaw raws li zoo raws li domestic thiab industrial cheeb tsam. Nws kuj yog resistant rau dilute nitric acid, carbonic acid, ammonia, roj crude, detergent tov, vinegar, zaub mov acids, ntau yam roj av, thiab chav.
Stainless hlau qib 420J2 paub tias muaj lub zog zoo thiab tsim nyog muaj peev xwm tiv taus cov khoom hauv cov tawv tawv thiab tempered thaum piv nrog 440 qib.
Tshuaj muaj pes tsawg leeg
Cov tshuaj muaj pes tsawg leeg ntawm stainless hlau qib 420J2 yog teev nyob rau hauv cov lus hauv qab no.
| Element | Cov ntsiab lus (%) |
|---|---|
| Chromium, Cr | 14 |
| Nickel, Ni (yeem) | 1 |
| Manganese, Mn | 1 |
| Silicon, Sib | 1 |
| Phosphorus, P | 0.04 |
| Carbon, C | 0.15-0.36 |
| Sulfur, S | 0.03 |
| Hlau, Fe | Tshuav |
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