GB/T 4697
GB/T 4697 (Hot-rolled steel section for mine timbering)· GB (China) · 29 materials
| Designation | Material group | |
|---|---|---|
| 16MnK | Structural and constructional steels | chevron_right |
| 20MnK Type 11 | Structural and constructional steels | chevron_right |
| 20MnK Type 12 | Structural and constructional steels | chevron_right |
| 20MnK Type 18UY | Structural and constructional steels | chevron_right |
| 20MnK Type 25U | Structural and constructional steels | chevron_right |
| 20MnK Type 25UY | Structural and constructional steels | chevron_right |
| 20MnK Type 29U | Structural and constructional steels | chevron_right |
| 20MnK Type 36U | Structural and constructional steels | chevron_right |
| 20MnK Type 9 | Structural and constructional steels | chevron_right |
| 20MnVK Type 11 | Structural and constructional steels | chevron_right |
| 20MnVK Type 12 | Structural and constructional steels | chevron_right |
| 20MnVK Type 18UY | Structural and constructional steels | chevron_right |
| 20MnVK Type 25U | Structural and constructional steels | chevron_right |
| 20MnVK Type 25UY | Structural and constructional steels | chevron_right |
| 20MnVK Type 29U | Structural and constructional steels | chevron_right |
| 20MnVK Type 36U | Structural and constructional steels | chevron_right |
| 20MnVK Type 40U | Structural and constructional steels | chevron_right |
| 20MnVK Type 9 | Structural and constructional steels | chevron_right |
| 24Mn2K | Structural and constructional steels | chevron_right |
| 25MnK Type 11 | Structural and constructional steels | chevron_right |
| 25MnK Type 12 | Structural and constructional steels | chevron_right |
| 25MnK Type 18UY | Structural and constructional steels | chevron_right |
| 25MnK Type 25U | Structural and constructional steels | chevron_right |
| 25MnK Type 25UY | Structural and constructional steels | chevron_right |
| 25MnK Type 29U | Structural and constructional steels | chevron_right |
| 25MnK Type 9 | Structural and constructional steels | chevron_right |
| 25MnVK | Structural and constructional steels | chevron_right |
| 30Mn2K | Structural and constructional steels | chevron_right |
| 34SiMnK | Structural and constructional steels | chevron_right |