GB/T 40316
GB/T 40316 (Welded high strength shaped and round steel tubes for automobile structure)· GB (China) · 9 materials
| Designation | Material group | |
|---|---|---|
| Grade 355 | Structural and constructional steels | chevron_right |
| Grade 380 | Structural and constructional steels | chevron_right |
| Grade 420 | Structural and constructional steels | chevron_right |
| Grade 460 | Structural and constructional steels | chevron_right |
| Grade 500 | Structural and constructional steels | chevron_right |
| Grade 550 | Structural and constructional steels | chevron_right |
| Grade 600 | Structural and constructional steels | chevron_right |
| Grade 650 | Structural and constructional steels | chevron_right |
| Grade 700 | Structural and constructional steels | chevron_right |