4Cr5MoSiV
Standard
GB/T 1299
Hardness
Annealed ≤229HB, Q&T HRC40-48
Introduction
Chinese hot work die steel corresponding to H11 grade. Good hot strength, toughness and hardenability. One of the commonly used Chinese hot work die steels for small to medium die casting and forging dies. Quenching at 1000-1030°C.
Applications
Small to medium die casting dies, hot extrusion dies, hot forging dies, aluminum profile extrusion dies.
Chemical composition
| Element | Min | Max | Unit | Note |
|---|---|---|---|---|
| C | 0.33000 | 0.43000 | % | — |
| Si | 0.80000 | 1.20000 | % | — |
| Mn | 0.20000 | 0.50000 | % | — |
| Cr | 4.75000 | 5.50000 | % | — |
| Mo | 1.10000 | 1.60000 | % | — |
| V | 0.30000 | 0.60000 | % | — |
A dash means not provided, not zero. Confirm specifications before ordering.