GB/T 42678
GB/T 42678 (Hot-rolled steel sections for petroleum and natural gas engineering)· GB (China) · 20 materials
| Designation | Material group | |
|---|---|---|
| Q275YQC | Structural and constructional steels | chevron_right |
| Q275YQD | Structural and constructional steels | chevron_right |
| Q275YQE | Structural and constructional steels | chevron_right |
| Q275YQL | Structural and constructional steels | chevron_right |
| Q355YQC | Structural and constructional steels | chevron_right |
| Q355YQD | Structural and constructional steels | chevron_right |
| Q355YQE | Structural and constructional steels | chevron_right |
| Q355YQL | Structural and constructional steels | chevron_right |
| Q390YQC | Structural and constructional steels | chevron_right |
| Q390YQD | Structural and constructional steels | chevron_right |
| Q390YQE | Structural and constructional steels | chevron_right |
| Q390YQL | Structural and constructional steels | chevron_right |
| Q420YQC | Structural and constructional steels | chevron_right |
| Q420YQD | Structural and constructional steels | chevron_right |
| Q420YQE | Structural and constructional steels | chevron_right |
| Q420YQL | Structural and constructional steels | chevron_right |
| Q460YQC | Structural and constructional steels | chevron_right |
| Q460YQD | Structural and constructional steels | chevron_right |
| Q460YQE | Structural and constructional steels | chevron_right |
| Q460YQL | Structural and constructional steels | chevron_right |