Stainless Steel Valve Materials
Austenitic stainless steels resist a wide range of chemicals and stay tough from cryogenic to elevated temperatures, making them the default for corrosive, hygienic and low-temperature service. Their main limitation is chloride pitting and stress-corrosion cracking, where duplex or nickel alloys are preferred.
When do you use stainless steel valve materials?
Austenitic stainless steels resist a wide range of chemicals and stay tough from cryogenic to elevated temperatures, making them the default for corrosive, hygienic and low-temperature service. Their main limitation is chloride pitting and stress-corrosion cracking, where duplex or nickel alloys are preferred. This family includes 10 grades in our material library, listed below with their service-temperature limits and common designations.
| Grade (ASTM) | Common Name | Form | Min °C | Max °C |
|---|---|---|---|---|
| ASTM A351 HH | 25Cr-12Ni Heat-Resistant Casting (Grade HH) | cast | -10 | +1100 |
| ASTM A182 Grade F316L / UNS S31603 | Stainless Steel 316L (Low Carbon Forged) | forged | -196 | +870 |
| ASTM A182 F347 | Stabilised 347 Stainless Steel (Forged F347) | forged | -196 | +816 |
| ASTM A182 F304 | 304 Stainless Steel (Forged F304) | forged | -196 | +538 |
| ASTM A351 CF8 | Cast 304 Stainless Steel (CF8) | cast | -254 | +538 |
| ASTM A351 CF8M | SS 316 Cast (CF8M) | cast | -254 | +454 |
| ASTM A182 F316 | Forged SS 316 (F316) | forged | -254 | +454 |
| ASTM A182 F304L | F304L Low Carbon SS (Forged) | forged | -196 | +425 |
| ASTM A351 CN7M | Alloy 20 Cast (CN7M) | cast | -73 | +400 |
| ASTM A351 CF3M | SS 316L Cast (CF3M) | cast | -254 | +370 |
Other alloy families
Connected Engineering
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Browse all grades in the valve material library.