GB/T 31936
GB/T 31936 (Rolls for welding steel pipe)· GB (China) · 17 materials
| Designation | Material group | |
|---|---|---|
| 3Cr2W8V | Structural and constructional steels | chevron_right |
| 3Cr2W8V | Tool steels | chevron_right |
| 4Cr5MoSiV1 | Structural and constructional steels | chevron_right |
| 4Cr5MoSiV1 | Tool steels | chevron_right |
| 9Cr2Mo | Structural and constructional steels | chevron_right |
| 9Cr2Mo | Tool steels | chevron_right |
| 9Cr2MoV | Structural and constructional steels | chevron_right |
| 9Cr2MoV | Tool steels | chevron_right |
| Cr12 | Tool steels | chevron_right |
| Cr12Mo1V1 | Stainless steels | chevron_right |
| Cr12Mo1V1 | Tool steels | chevron_right |
| Cr12MoV | Stainless steels | chevron_right |
| Cr12MoV | Tool steels | chevron_right |
| GCr15 | Structural and constructional steels | chevron_right |
| ZCr15 | Tool steels | chevron_right |
| ZCr20 | Tool steels | chevron_right |
| ZCr25 | Tool steels | chevron_right |