BS S 138
BS S 138 (Specification for 3 per cent chromium-molybdenum-vanadium steel (vacuum remelted - air hardening) (157 kgf/mm2 (100 tonf/in2): limiting ruling section 30 mm (1⅛ in)))· B.S. (United Kingdom) · 4 materials
| Designation | Material group | |
|---|---|---|
| S 138A | Structural and constructional steels | chevron_right |
| S 138B | Structural and constructional steels | chevron_right |
| S 138C | Structural and constructional steels | chevron_right |
| S 138D | Structural and constructional steels | chevron_right |