GB/T 40316
GB/T 40316 (汽车结构用高强度异型及圆形焊接钢管)· GB (中国) · 9 种材料
| 名称 | 材料组别 | |
|---|---|---|
| Grade 355 | 结构钢 | chevron_right |
| Grade 380 | 结构钢 | chevron_right |
| Grade 420 | 结构钢 | chevron_right |
| Grade 460 | 结构钢 | chevron_right |
| Grade 500 | 结构钢 | chevron_right |
| Grade 550 | 结构钢 | chevron_right |
| Grade 600 | 结构钢 | chevron_right |
| Grade 650 | 结构钢 | chevron_right |
| Grade 700 | 结构钢 | chevron_right |