Chemical Composition:
| C | Mn | Si | Mo | Cr | V |
| 0.95-1.05 | 0.25-0.40 | 0.20-0.40 | 0.15-0.25 | 1.65-1.95 | |
| W | P | S | Ni | Cu | |
| | 0.020 | 0.250 | 0.25 | |
Properties and application:
New hardenable bearing material,with high punching ductility and fracture toughness.
Usage:For making the large bearing of the railway vehicles or other important machines.