GB/T 13793
GB/T 13793 (直缝电焊钢管)· GB (中国) · 26 种材料
| 名称 | 材料组别 | |
|---|---|---|
| 08 | 结构钢 | chevron_right |
| 10 | 结构钢 | chevron_right |
| 15 | 结构钢 | chevron_right |
| 20 | 结构钢 | chevron_right |
| 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 |
| Q235C | 结构钢 | chevron_right |
| Q275A | 结构钢 | chevron_right |
| Q275B | 结构钢 | chevron_right |
| Q275C | 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 |
| Q345C | 结构钢 | chevron_right |
| Q390A | 结构钢 | chevron_right |
| Q390B | 结构钢 | chevron_right |
| Q390C | 结构钢 | chevron_right |
| Q420A | 结构钢 | chevron_right |
| Q420B | 结构钢 | chevron_right |
| Q420C | 结构钢 | chevron_right |
| Q460C | 结构钢 | chevron_right |
| Q460D | 结构钢 | chevron_right |