China S20c S45c Scm440 / 1020 1045 Hot Rolled Steel Square Bar, Find details about China Square Bar, Steel Square Bar from S20c S45c Scm440 / 1020 1045 Hot Rolled Steel Square Bar
Grade | C | Si | Mn | P | S | Cr | Mo |
1020 | 0.17-0.23 | 0.17-0.37 | 0.35-0.65 | Max 0.030 | Max 0.030 | Max 0.25 | |
1045 | 0.42-0.50 | 0.17-0.37 | 0.50-0.80 | Max 0.030 | Max 0.030 | Max 0.25 | |
4140 | 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 |