P20+NI Plastic Mold Steel Plate Hardness 32-38HRC, With High Polising P20+NI Mould Steel Bar P20+NI steel is a vacuum-melting chromium-nickel-molybdenum alloy steel that has been hardened and tempered ...View More
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Hardness 32-38HRC High Polising P20 NI Mold Steel Plate