BS 970-4
BS 970-4 (Specification for wrought steels for mechanical and allied engineering purposes. Valve steels)· B.S. (United Kingdom) · 9 materials
| Designation | Material group | |
|---|---|---|
| 331 S 40 | Stainless steels | chevron_right |
| 331 S 42 | Stainless steels | chevron_right |
| 349 S 52 | Stainless steels | chevron_right |
| 349 S 54 | Stainless steels | chevron_right |
| 352 S 52 | Stainless steels | chevron_right |
| 352 S 54 | Stainless steels | chevron_right |
| 381 S 34 | Stainless steels | chevron_right |
| 401 S 45 | Structural and constructional steels | chevron_right |
| 443 S 65 | Stainless steels | chevron_right |