Chemical Analysis
| Carbon | 0.12 – 0.18 |
| Silicon | 0.10 – 0.40 |
| Manganese | 0.90 – 1.30 |
| Phosphorous | 0.00 – 0.05 |
| Sulphur | 0.10 – 0.18 |
Specification Comparison
| BRITISH BS 970:1991 | 210M15 |
| BRITISH BS 970:1955 | EN32M |
| GERMAN DIN | 15S20 |
| FRENCH AFNOR | 35MF4 |
| SWEDISH SS | 1922 |
| AMERICAN SAE | 1117 |
| WERKSTOFF NO. | 1.0725 |
| EUROPEAN STEEL NAME | 15SMn13 |
| EUROPEAN STANDARD | EN10277-3 |