GB/T 11251
GB/T 11251 (Alloy structural steel plate, sheet and strip)· GB (China) · 19 materials
| Designation | Material group | |
|---|---|---|
| 15Cr | Structural and constructional steels | chevron_right |
| 20Cr | Structural and constructional steels | chevron_right |
| 20CrMnSi | Structural and constructional steels | chevron_right |
| 20CrMnSiA | Structural and constructional steels | chevron_right |
| 25CrMnSi | Structural and constructional steels | chevron_right |
| 25CrMnSiA | Structural and constructional steels | chevron_right |
| 27SiMn | Structural and constructional steels | chevron_right |
| 30Cr | Structural and constructional steels | chevron_right |
| 30CrMnSi | Structural and constructional steels | chevron_right |
| 30CrMnSiA | Structural and constructional steels | chevron_right |
| 35Cr | Structural and constructional steels | chevron_right |
| 35CrMnSi | Structural and constructional steels | chevron_right |
| 35CrMnSiA | Structural and constructional steels | chevron_right |
| 40B | Structural and constructional steels | chevron_right |
| 40Cr | Structural and constructional steels | chevron_right |
| 40Cr | Tool steels | chevron_right |
| 45B | Structural and constructional steels | chevron_right |
| 45Mn2 | Structural and constructional steels | chevron_right |
| 50B | Structural and constructional steels | chevron_right |