GB/T 28415
GB/T 28415 (Fire-resistant structural steel plate, sheet and strip)· GB (China) · 36 materials
| Designation | Material group | |
|---|---|---|
| Q235FRB | Structural and constructional steels | chevron_right |
| Q235FRC | Structural and constructional steels | chevron_right |
| Q235FRD | Structural and constructional steels | chevron_right |
| Q235FRE | Structural and constructional steels | chevron_right |
| Q345FRB | Structural and constructional steels | chevron_right |
| Q345FRC | Structural and constructional steels | chevron_right |
| Q345FRD | Structural and constructional steels | chevron_right |
| Q345FRE | Structural and constructional steels | chevron_right |
| Q355FRB | Structural and constructional steels | chevron_right |
| Q355FRC | Structural and constructional steels | chevron_right |
| Q355FRD | Structural and constructional steels | chevron_right |
| Q355FRE | Structural and constructional steels | chevron_right |
| Q390FRB | Structural and constructional steels | chevron_right |
| Q390FRC | Structural and constructional steels | chevron_right |
| Q390FRD | Structural and constructional steels | chevron_right |
| Q390FRE | Structural and constructional steels | chevron_right |
| Q420FRB | Structural and constructional steels | chevron_right |
| Q420FRC | Structural and constructional steels | chevron_right |
| Q420FRD | Structural and constructional steels | chevron_right |
| Q420FRE | Structural and constructional steels | chevron_right |
| Q460FRB | Structural and constructional steels | chevron_right |
| Q460FRC | Structural and constructional steels | chevron_right |
| Q460FRD | Structural and constructional steels | chevron_right |
| Q460FRE | Structural and constructional steels | chevron_right |
| Q500FRC | Structural and constructional steels | chevron_right |
| Q500FRD | Structural and constructional steels | chevron_right |
| Q500FRE | Structural and constructional steels | chevron_right |
| Q550FRC | Structural and constructional steels | chevron_right |
| Q550FRD | Structural and constructional steels | chevron_right |
| Q550FRE | Structural and constructional steels | chevron_right |
| Q620FRC | Structural and constructional steels | chevron_right |
| Q620FRD | Structural and constructional steels | chevron_right |
| Q620FRE | Structural and constructional steels | chevron_right |
| Q690FRC | Structural and constructional steels | chevron_right |
| Q690FRD | Structural and constructional steels | chevron_right |
| Q690FRE | Structural and constructional steels | chevron_right |