GB 2517
GB 2517 (Sheets and strips for structure)· GB (China) · 6 materials
| Designation | Material group | |
|---|---|---|
| RJ216 | Structural and constructional steels | chevron_right |
| RJ235 | Structural and constructional steels | chevron_right |
| RJ255 | Structural and constructional steels | chevron_right |
| RJ294 | Structural and constructional steels | chevron_right |
| RJ343 | Structural and constructional steels | chevron_right |
| RJ392 | Structural and constructional steels | chevron_right |