Mold Steel 718-Steel
Alternative Designations: Mold Steel 718-Steel
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Description
718 mold steel is an improved P20-type pre-hardened plastic mold steel, with around 1% nickel added to enhance hardenability and structural uniformity. Its delivered hardness is around 30–36 HRC, offering excellent machinability, polishability, and wear resistance.
Key Features
1. Excellent machinability (it can be directly machined in the pre-hardened condition) 2. High polishability (it can achieve mirror finish, suitable for high-gloss molds) 3. Good wear resistance and toughness 4. Uniform microstructure (nickel improves overall performance)