GB 3423
GB 3423 (Drill tubes)· GB (China) · 12 materials
| Designation | Material group | |
|---|---|---|
| 27MnMoVB | Structural and constructional steels | chevron_right |
| 40Mn2 | Structural and constructional steels | chevron_right |
| 40Mn2Mo | Structural and constructional steels | chevron_right |
| 40Mn2Si | Structural and constructional steels | chevron_right |
| 40MnVB | Structural and constructional steels | chevron_right |
| 45MnB | Structural and constructional steels | chevron_right |
| 45MnMoB | Structural and constructional steels | chevron_right |
| 50Mn | Structural and constructional steels | chevron_right |
| A00402 | Structural and constructional steels | chevron_right |
| A71452 | Structural and constructional steels | chevron_right |
| A73402 | Structural and constructional steels | chevron_right |
| U21502 | Structural and constructional steels | chevron_right |