Cr8Mo2SiV
Standard
GB/T 1299
Hardness
Annealed ≤255HB, Q&T HRC60-63
Introduction
Chinese improved cold work die steel with reduced Cr and increased Mo for significantly enhanced toughness. Equivalent to DC53 type, with excellent fatigue resistance and dimensional stability. Quenching at 1020-1040°C.
Applications
Precision cold work dies, cold forging dies, complex shape stamping dies, long-life dies.
Chemical composition
| Element | Min | Max | Unit | Note |
|---|---|---|---|---|
| C | 0.95000 | 1.05000 | % | — |
| Si | 0.80000 | 1.10000 | % | — |
| Mn | 0.20000 | 0.50000 | % | — |
| Cr | 7.50000 | 8.50000 | % | — |
| Mo | 1.80000 | 2.20000 | % | — |
| V | 0.20000 | 0.50000 | % | — |
A dash means not provided, not zero. Confirm specifications before ordering.