GB/T 38817
GB/T 38817 (Steel for high heat input welding)· GB (China) · 17 materials
| Designation | Material group | |
|---|---|---|
| Q355B | Structural and constructional steels | chevron_right |
| Q355C | Structural and constructional steels | chevron_right |
| Q355D | Structural and constructional steels | chevron_right |
| Q355E | Structural and constructional steels | chevron_right |
| Q390B | Structural and constructional steels | chevron_right |
| Q390C | Structural and constructional steels | chevron_right |
| Q390D | Structural and constructional steels | chevron_right |
| Q390E | Structural and constructional steels | chevron_right |
| Q420C | Structural and constructional steels | chevron_right |
| Q420D | Structural and constructional steels | chevron_right |
| Q420E | Structural and constructional steels | chevron_right |
| Q460C | Structural and constructional steels | chevron_right |
| Q460D | Structural and constructional steels | chevron_right |
| Q460E | Structural and constructional steels | chevron_right |
| Q500C | Structural and constructional steels | chevron_right |
| Q500D | Structural and constructional steels | chevron_right |
| Q500E | Structural and constructional steels | chevron_right |