GB/T 4357
GB/T 4357 (Cold-drawn unalloyed steel wire for springs)· GB (China) · 8 materials
| Designation | Material group | |
|---|---|---|
| DH | Structural and constructional steels | chevron_right |
| DM | Structural and constructional steels | chevron_right |
| SH | Structural and constructional steels | chevron_right |
| SL | Structural and constructional steels | chevron_right |
| SM | Structural and constructional steels | chevron_right |
| Type B | Structural and constructional steels | chevron_right |
| Type C | Structural and constructional steels | chevron_right |
| Type D | Structural and constructional steels | chevron_right |