GB/T 3091
GB/T 3091 (Welded steel pipes for low pressure fluid delivery)· GB (China) · 12 materials
| Designation | Material group | |
|---|---|---|
| Q195 | Structural and constructional steels | chevron_right |
| Q215A | Structural and constructional steels | chevron_right |
| Q215B | Structural and constructional steels | chevron_right |
| 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 |
| Q355B | Structural and constructional steels | chevron_right |