GB/T 19530
GB/T 19530 (油淬火-回火弹簧钢丝用热轧盘条)· GB (中国) · 11 种材料
| 名称 | 材料组别 | |
|---|---|---|
| 50CrV(A) | 结构钢 | chevron_right |
| 55SiCr(A) | 结构钢 | chevron_right |
| 60Si2Cr(A) | 结构钢 | chevron_right |
| 60Si2CrV(A) | 结构钢 | chevron_right |
| 60Si2MnA | 结构钢 | chevron_right |
| 65Mn | 结构钢 | chevron_right |
| 67CrVA | 结构钢 | chevron_right |
| 70Mn | 结构钢 | chevron_right |
| A23503 | 结构钢 | chevron_right |
| U21652 | 结构钢 | chevron_right |
| U21702 | 结构钢 | chevron_right |