GB 9947
GB 9947 (Arc welded steel tubes for drive axle)· GB (China) · 4 materials
| Designation | Material group | |
|---|---|---|
| 08TiZ | Structural and constructional steels | chevron_right |
| 15TiZ | Structural and constructional steels | chevron_right |
| 20Z | Structural and constructional steels | chevron_right |
| 25Z | Structural and constructional steels | chevron_right |