DIN 21544
DIN 21544 (Steel for mine support sections; technical delivery conditions)· DIN (Germany) · 6 materials
| Designation | Material group | |
|---|---|---|
| 1.0520 | Structural and constructional steels | chevron_right |
| 1.0567 | Structural and constructional steels | chevron_right |
| 1.0568 | Structural and constructional steels | chevron_right |
| 31 Mn 4 | Structural and constructional steels | chevron_right |
| 32 Mn 3 | Structural and constructional steels | chevron_right |
| 39 Mn 4 | Structural and constructional steels | chevron_right |