GB/T 4358
GB/T 4358 (重要用途碳素弹簧钢丝)· GB (中国) · 12 种材料
| 名称 | 材料组别 | |
|---|---|---|
| 65 Mn Class E | 结构钢 | chevron_right |
| 65 Mn Class F | 结构钢 | chevron_right |
| 65 Mn Class G | 结构钢 | chevron_right |
| 70 Class E | 结构钢 | chevron_right |
| 70 Class F | 结构钢 | chevron_right |
| 70 Class G | 结构钢 | chevron_right |
| T8MnA Class E | 结构钢 | chevron_right |
| T8MnA Class F | 结构钢 | chevron_right |
| T8MnA Class G | 结构钢 | chevron_right |
| T9A Class E | 结构钢 | chevron_right |
| T9A Class F | 结构钢 | chevron_right |
| T9A Class G | 结构钢 | chevron_right |