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Guangzhou Changfeng Steel Co., Ltd.

Steel plate, steel products, carbon steel manufacturer / supplier in China, offering 1.2312, P20+S Plastic Mould Steel Alloy Steel, Nak80, P20, Plastic Die Steel Round Bar, 718/1.2738/P20+Ni Pre-hardened Plastic Die Steel and so on.

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Supplier Homepage Product Plastic Mould Steel 1.2312, P20+S Plastic Mould Steel Alloy Steel

1.2312, P20+S Plastic Mould Steel Alloy Steel

Purchase Qty.:
3-4 5-19 20+
FOB Unit Price: US $1,680 US $1,650 US $1,600
Purchase Qty. (Tons) FOB Unit Price
3-4 US $1,680
5-19 US $1,650
20+ US $1,600
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Port: Shenzhen, China
Production Capacity: 1000 Tons/ Month
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: 1.2312, P20+S, 4Cr2MnMo, X40CrMnMoS8-6
  • Technics: Hot Rolled
  • Surface: Polished
  • Special Use: Free Cutting Steel, Mold Steel
  • Technique: Forged or Hot Rolled
  • Width: 610~1200mm or as Required
  • Shape: Steel Plate/Flat Bar/Round Bar
  • Certification: ISO/Mill Certificate
  • Service: Sample free and 24 hours online
  • Transport Package: Export Standard Packing or Customers′demand
  • Origin: China
  • Standard: DIN, JIS, AISI, ASTM, GB, BS
  • Application: Die Steel Bar
  • Alloy: Alloy
  • Heat Treatment: Annealed / Q+T
  • Thickness: 150-600mm
  • Length: 2500~4000mm or as Required
  • Test: SGS/Ut 100%/Element Testing
  • Delivery Quantity: Include MOQ
  • Trademark: CF STEEL
  • Specification: According to customer requirements
  • HS Code: 7225401000
Product Description
1.2312, P20+S Plastic Mould Steel Alloy Steel

1.2312 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, Feartures:
A,  Alloy tool steel which offers good machineability;
B, Excellent polished finish for large section;
C, Supplied in the hardened and tempered condition ready for machining;
D, In this condition it gives excellent wear resistance.

2, Application:
A, Used for plastic mould ,good polish with corrosion-resisting;
B, Long life and large plastic injection mold products such as home appliance, computer shell mold;
C, Thermoplastic plastic extrusion die;
D, Blow molding mold and Molding tool;

3, Grade
    W.Nr       DIN       AFNOR     ASTM      GB
   1.2312   X40CrMnMoS8-6   (40CMD8S)      P20+S    4Cr2MnMo

4, Chemical composition(%)
       C       Mn       Si      Cr     Mo     Ni     S+P
   0.35-0.45   1.40-1.60   0.30-0.50   1.80-2.00  0.15-0.25  0.05-0.10    0.015

5, Phase transition temperature
                  Ac1                       740°C
                  Ms                       310°C

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

7, Heat treatment
Annealing1)Heated to720-750°C,Two to four hours heat preservation,
2)Furnace cooling
Stress relief1)Heated to560-650°C and then two to four hours heat preservation
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
Drawing temper1)Immediately after quenching
2)When the 580-650°C,with the 1/inch to heat preservation

8, Delivery:For abundant stock, 15-20 days.
For customized products, 30-50 days.

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