Hardness Shore C | C | Mn | Si | P | S | Ni | Cr | Mo |
50-60 | 3.00/3.20 | 0.60/0.90 | 1.00/1.50 | 0.15 Max. | 0.06 Max. | 1.00/1.50 | 0.80/1.20 | 0.25/0.40 |
60-70 | 3.00/3.30 | 0.60/0.90 | 1.00/1.50 | 0.15 Max. | 0.06 Max. | 1.50/2.00 | 0.80/1.20 | 0.25/0.40 |
70-75 | 3.10/3.50 | 0.60/0.90 | 1.00/1.50 | 0.15 Max. | 0.06 Max. | 1.70/2.50 | 0.80/1.20 | 0.25/0.40 |