BS 5770-3
BS 5770-3 (Steel strip intended for the manufacture of springs. Part 3. Specification for pre-hardened and tempered carbon steel)· B.S. (United Kingdom) · 3 materials
| Designation | Material group | |
|---|---|---|
| 70 | Structural and constructional steels | chevron_right |
| 80 | Structural and constructional steels | chevron_right |
| 95 | Structural and constructional steels | chevron_right |