BS 7S 1
BS 7S 1 (Specification for Carbon steel bright bars for machining (540 MPa; maximum size, 101 mm diameter or minor sectional dimension))· B.S. (United Kingdom) · 3 materials
| Designation | Material group | |
|---|---|---|
| S 1 A | Structural and constructional steels | chevron_right |
| S 1 B | Structural and constructional steels | chevron_right |
| S 1 C | Structural and constructional steels | chevron_right |