GB/T 34109
GB/T 34109 (Seamless steel tubes for drill rod of rotary digging machine)· GB (China) · 27 materials
| Designation | Material group | |
|---|---|---|
| 30CrMo | Structural and constructional steels | chevron_right |
| 35CrMo | Structural and constructional steels | chevron_right |
| 42CrMo | Structural and constructional steels | chevron_right |
| Q345XZB | Structural and constructional steels | chevron_right |
| Q345XZC | Structural and constructional steels | chevron_right |
| Q345XZD | Structural and constructional steels | chevron_right |
| Q345XZE | Structural and constructional steels | chevron_right |
| Q390XZB | Structural and constructional steels | chevron_right |
| Q390XZC | Structural and constructional steels | chevron_right |
| Q390XZD | Structural and constructional steels | chevron_right |
| Q390XZE | Structural and constructional steels | chevron_right |
| Q420XZB | Structural and constructional steels | chevron_right |
| Q420XZC | Structural and constructional steels | chevron_right |
| Q420XZD | Structural and constructional steels | chevron_right |
| Q420XZE | Structural and constructional steels | chevron_right |
| Q460XZC | Structural and constructional steels | chevron_right |
| Q460XZD | Structural and constructional steels | chevron_right |
| Q460XZE | Structural and constructional steels | chevron_right |
| Q500XZC | Structural and constructional steels | chevron_right |
| Q500XZD | Structural and constructional steels | chevron_right |
| Q500XZE | Structural and constructional steels | chevron_right |
| Q550XZC | Structural and constructional steels | chevron_right |
| Q550XZD | Structural and constructional steels | chevron_right |
| Q550XZE | Structural and constructional steels | chevron_right |
| Q620XZC | Structural and constructional steels | chevron_right |
| Q620XZD | Structural and constructional steels | chevron_right |
| Q620XZE | Structural and constructional steels | chevron_right |