China SAE 1020 1045 4140 S45c C45 Cold Drawn Peeled Ground Polished Steel Round Bar, Find details about China Round Bar, Steel Bar from SAE 1020 1045 4140 S45c C45 Cold Drawn Peeled Ground Polished Steel Round Bar
Grade | C | Si | Mn | P | S | Cr | Mo |
1020/S20C | 0.17-0.23 | 0.17-0.37 | 0.35-0.65 | Max 0.030 | Max 0.030 | Max 0.25 | |
1045/S45C | 0.42-0.50 | 0.17-0.37 | 0.50-0.80 | Max 0.030 | Max 0.030 | Max 0.25 | |
4140/42CrMoA | 0.38-0.45 | 0.17-0.37 | 0.50-0.80 | Max 0.030 | Max 0.030 | 0.9-1.2 | 0.15-0.25 |