模具钢
| Item Type | Steel Grade | Main Composition（average）% | |||||||
| C | Si | Mn | Cr | M0 | V | W | |||
| Hot die steel | 5CrNiM0 | 0.55 | 0.4 | 0.7 | 0.7 | 0.2 | - | - | Ni |
| 1.6 | |||||||||
| 3Cr12W8V | 0.35 | ≤0.40 | ≤0.40 | 2.5 | - | 0.4 | 8.3 | ||
| 4Cr5M0SiV1 | 0.39 | 1 | 0.4 | 5.1 | 1.4 | 1 | - | ||
| Steel Grade | Characteristics | Main Application | Hardness | ||||||
| 5CrNiM0 | Tool steel type with low alloy, good toughness, strength, wear-resistance and hardenability | Widely used to manufacture of various big and middle size forging dies. | |||||||
| 3Cr12W8V | Good strength and hardness udner high temperature, but weak toughness and plasticity | Widely used for pressing casting die, extrusion die and forging die | |||||||
| 4Cr5M0SiV1 | Air-cooled harden steel, high heat strength, hardness,wear-resistance and toughness | Forging die, extrusion die and press die for cored bar, Al, Cu and alloy | |||||||
