3Cr2W8V
Standard
GB/T 1299
Hardness
Annealed ≤255HB, Q&T HRC44-52
Introduction
Chinese tungsten hot work die steel with W content up to 7.5-9.0%. Outstanding hot strength and temper resistance. Traditional die casting and hot extrusion die steel for copper alloy and other high-temperature hot work conditions. Quenching at 1075-1125°C.
Applications
Copper alloy die casting dies, high-temperature hot extrusion dies, hot forging dies, hot punches, copper tube piercing plugs.
Chemical composition
| Element | Min | Max | Unit | Note |
|---|---|---|---|---|
| C | 0.30000 | 0.40000 | % | — |
| Si | — | 0.40000 | % | — |
| Mn | — | 0.40000 | % | — |
| Cr | 2.20000 | 2.70000 | % | — |
| W | 7.50000 | 9.00000 | % | — |
| V | 0.20000 | 0.50000 | % | — |
A dash means not provided, not zero. Confirm specifications before ordering.