GB/T 34109
GB/T 34109 (旋挖机钻杆用无缝钢管)· GB (中国) · 27 种材料
| 名称 | 材料组别 | |
|---|---|---|
| 30CrMo | 结构钢 | chevron_right |
| 35CrMo | 结构钢 | chevron_right |
| 42CrMo | 结构钢 | chevron_right |
| Q345XZB | 结构钢 | chevron_right |
| Q345XZC | 结构钢 | chevron_right |
| Q345XZD | 结构钢 | chevron_right |
| Q345XZE | 结构钢 | chevron_right |
| Q390XZB | 结构钢 | chevron_right |
| Q390XZC | 结构钢 | chevron_right |
| Q390XZD | 结构钢 | chevron_right |
| Q390XZE | 结构钢 | chevron_right |
| Q420XZB | 结构钢 | chevron_right |
| Q420XZC | 结构钢 | chevron_right |
| Q420XZD | 结构钢 | chevron_right |
| Q420XZE | 结构钢 | chevron_right |
| Q460XZC | 结构钢 | chevron_right |
| Q460XZD | 结构钢 | chevron_right |
| Q460XZE | 结构钢 | chevron_right |
| Q500XZC | 结构钢 | chevron_right |
| Q500XZD | 结构钢 | chevron_right |
| Q500XZE | 结构钢 | chevron_right |
| Q550XZC | 结构钢 | chevron_right |
| Q550XZD | 结构钢 | chevron_right |
| Q550XZE | 结构钢 | chevron_right |
| Q620XZC | 结构钢 | chevron_right |
| Q620XZD | 结构钢 | chevron_right |
| Q620XZE | 结构钢 | chevron_right |