合金钢板卷40Cr冷轧软硬太薄板精冲定轧
合金结构钢(可精轧加工定制) 冷轧精冲钢板卷
15Cr 20Cr 40Cr 15CrMo 20CrMo 30CrMo 35CrMo 34CrMo4 42CrMo4 SNCM220 H42B 20MnB5 26MnB5 27MnCrB5 40MnB 16MnCr5 20CrMnTi 40CrMn 50Mn2V SCM415 SCM435 20MNCR5 GCR15 20MnCrS5 S28CB 51CrV4