By Country:
By Standard:
By Microstructure:
| Category | Steel grade | Standard | Country | Application |
|---|---|---|---|---|
| Stainless Steels | ASTM 202 | SAE | USA | Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes |
| Stainless Steels | ASTM 201 | SAE | USA | Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes |
| Stainless Steels | SA 201 | SAE | USA | Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes |