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Good Machinability Pre-hardened HRC30-33 Plastic Mould Steel Plate 1.2312 P20+S

Categories Plastic Mold Steel
Brand Name: BAO STEEL
Model Number: 1.2312/P20+S/B30PH
Certification: ISO
Place of Origin: CHINA
MOQ: 3Tons
Price: USD800/TON FOB
Supply Ability: 1000tons/month
Delivery Time: 15-20days
Packaging Details: standard exporting packing
Steel: Alloy Steel
Shape Option: Plate/Flat Bar/Round Bar/Block
Delivery Condition Option: Pre-hardened HRC30-33 black surface
Quality Assurance: 100% UT passed
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    Good Machinability Pre-hardened HRC30-33 Plastic Mould Steel Plate 1.2312 P20+S

    Good Machinability Pre-hardened HRC30-33 Plastic Mould Steel Plate 1.2312 P20+S

    1.2312 tool steel is ideally suited for the production of moulds where improved machinability is required. Typical applications include die holders, zinc die casting dies, backers, bolsters and injection moulds. The versatility of this plastic mould tool steel with its high tensile characteristics enables uses for a variety of other applications such as shafts and wear strips.

    1, Features:
    1, Alloy tool steel which offers good machineability;
    2, Excellent polished finish for large section;
    3, Supplied in the hardened and tempered condition ready for machining;
    4, In this condition it gives excellent wear resistance.

    2, Application:
    1, Used for plastic mould, good polish with corrosion-resistin
    g;
    2, Long life and large plastic injection mold products such as home appliance, computer shell mold;
    3, Thermoplastic plastic extrusion die;
    4, Blow molding mold and Molding tool;


    3, Grade
    W.NrDINAFNORAISI/SAE
    1.2312X40CrMnMoS8-6(40CMD8S)P20+S

    4, Chemical composition(%)
    CMnSiCrMoNiS+P
    0.35-0.450.8-1.00.30-0.501.80-2.000.35-0.380.05-0.100.015

    5, Phase transition temperature
    Ac1740°C
    Ms310°C

    6, The hardness of delivery
    Pre hardened and temperedHB278-325(950-1100N/mm²)

    7, Heat treatment
    Annealing1)Heated to720-750°C,Two to four hours heat preservation,
    2)Furnace cooling
    Stress relief
    Preservation
    1)Heated to560-650°C and then two to four hours heat
    2)Furnace cooling or air cooling
    Pre hardened1)Preheat to 600-650°C
    2)Heated to hardening temperature 840-840°C and heat preservation
    3)Oil cooling
    4)Hardness:HRC51
    Drawing temper1)Immediately after quenching
    2)When the 580-650°C,with the 1/inch to heat preservation

    8, Packing:Standard export packing or according to customers' request.

    Our service

    We provide quality special steel for all industries.

    Orders of any size, any length, ship fast

    We carry a unique inventory of specialty special steel

    Provide related value-adding services :

    metal cutting, sizing, machining (blanking, milling, grinding), and heat treatment.

    Sawing for small or large quantities, sawing-to-size.

    Excellent customer service




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