YB/T 4202
YB/T 4202 (Welded steel pipes for scaffolding)· YB (China) · 10 materials
| Designation | Material group | |
|---|---|---|
| Q235A | Structural and constructional steels | chevron_right |
| Q235B | Structural and constructional steels | chevron_right |
| Q275A | Structural and constructional steels | chevron_right |
| Q275B | Structural and constructional steels | chevron_right |
| Q295A | Structural and constructional steels | chevron_right |
| Q295B | Structural and constructional steels | chevron_right |
| Q345A | Structural and constructional steels | chevron_right |
| Q345B | Structural and constructional steels | chevron_right |
| Q390A | Structural and constructional steels | chevron_right |
| Q390B | Structural and constructional steels | chevron_right |