IS 4072
IS 4072 (弹簧垫圈用钢规范)· IS (印度) · 9 种材料
| 名称 | 材料组别 | |
|---|---|---|
| 38Si7 | 结构钢 | chevron_right |
| 50CrV4 | 结构钢 | chevron_right |
| 50Si7 | 结构钢 | chevron_right |
| 55C6 | 结构钢 | chevron_right |
| 55Si7 | 结构钢 | chevron_right |
| 60Si7 | 结构钢 | chevron_right |
| 65C6 | 结构钢 | chevron_right |
| 70C6 | 结构钢 | chevron_right |
| 80C6 | 结构钢 | chevron_right |