| Round bar | 200-1000mm |
| Square bar | 150×150-600×600mm |
| Other forged part | as per drawing |
| Forged Bars | Forged sizes | Tolerance |
| Black | up to 500mm | (-0/+5mm) |
| above 500mm | (-0/+8mm) | |
| Rough Turned | all sizes | (-0/+3mm) |
| Standard | Grade | C | Cr | Mo | Si | Mn | P | S |
| GB/T3077 | 35CrMo | 0.32-0.4 | 0.8-1.1 | 0.15-0.25 | 0.17-0.37 | 0.4-0.7 | 0.035 | 0.035 |
| TOCT 4543 | 35XM | 0.32-0.4 | 0.8-1.1 | 0.15-0.25 | 0.17-0.37 | 0.4-0.7 | 0.035 | 0.035 |
| JIS G4053 | SCM435 | 0.33-0.38 | 0.9-1.2 | 0.15-0.3 | 0.15-0.35 | 0.6-0.9 | 0.03 | 0.03 |
| ASTM A29/A29M | 4135 | 0.33-0.38 | 0.9-1.2 | 0.15-0.25 | 0.15-0.35 | 0.7-0.9 | 0.035 | 0.04 |
| ISO 683 | 34CrMo4 | 0.32-0.37 | 0.9-1.2 | 0.15-0.3 | 0.1-0.4 | 0.6-0.9 | 0.035 | 0.035 |
| EN 10083 | 34CrMo3 | 0.32-0.37 | 0.9-1.2 | 0.15-0.3 | 0.4 | 0.6-0.9 | 0.025 | 0.035 |