GB/T 3091
GB/T 3091 (Welded steel pipes for low pressure fluid delivery)· GB (中国) · 12 种材料
| 名称 | 材料组别 | |
|---|---|---|
| Q195 | 结构钢 | chevron_right |
| Q215A | 结构钢 | chevron_right |
| Q215B | 结构钢 | chevron_right |
| Q235A | 结构钢 | chevron_right |
| Q235B | 结构钢 | chevron_right |
| Q275A | 结构钢 | chevron_right |
| Q275B | 结构钢 | chevron_right |
| Q295A | 结构钢 | chevron_right |
| Q295B | 结构钢 | chevron_right |
| Q345A | 结构钢 | chevron_right |
| Q345B | 结构钢 | chevron_right |
| Q355B | 结构钢 | chevron_right |