GB/T 30063
GB/T 30063 (结构用直缝埋弧焊接钢管)· GB (中国) · 17 种材料
| 名称 | 材料组别 | |
|---|---|---|
| Q235B | 结构钢 | chevron_right |
| Q235C | 结构钢 | chevron_right |
| Q235GJ B | 结构钢 | chevron_right |
| Q235GJ C | 结构钢 | chevron_right |
| Q345B | 结构钢 | chevron_right |
| Q345C | 结构钢 | chevron_right |
| Q345GJ B | 结构钢 | chevron_right |
| Q345GJ C | 结构钢 | chevron_right |
| Q390B | 结构钢 | chevron_right |
| Q390C | 结构钢 | chevron_right |
| Q390GJ C | 结构钢 | chevron_right |
| Q390GJB | 结构钢 | chevron_right |
| Q420B | 结构钢 | chevron_right |
| Q420C | 结构钢 | chevron_right |
| Q420GJ C | 结构钢 | chevron_right |
| Q460C | 结构钢 | chevron_right |
| Q460D | 结构钢 | chevron_right |