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Kunshan Chengweishang Special Steel Co., Ltd.

Steel Plate, Plastic Work Mould Steel, Mould Steel manufacturer / supplier in China, offering High Quality 1.2738 Plastic Mould Steel Plate, Cold Work Mould Steel 1.2080/D3/SKD1 Die Steel, H13 1.2344 Hot Work Tool Steel Bar and so on.

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Supplier Homepage Product Plastic mould steel High Quality 1.2738 Plastic Mould Steel Plate

High Quality 1.2738 Plastic Mould Steel Plate

FOB Price: US $500-1,500 / Ton
Min. Order: 3 Tons
Min. Order FOB Price
3 Tons US $500-1,500/ Ton
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Production Capacity: 1000 Tons/Month
Transport Package: Export Standard Packing or Customers Demand
Payment Terms: T/T

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Basic Info
  • Model NO.: 1.2738/P20+Ni/4Cr2MoNi
  • Standard: AISI, GB, DIN
  • Surface Treatment: Black/Polished and Turned/Peeled
  • Application: Mold & Dies
  • Stock: Stock
  • Delivery: 10-30 Days
  • Length: 20-6000mm
  • Origin: China
  • Type: Steel Plate
  • Certification: ISO
  • Technique: Hot Rolled
  • Special Use: Mold Steel
  • Payment: 30% Deposit,Blance by L/C at Sight or T/T
  • Grade: 1.2738, P20+,4cr2moni
  • Trademark: CWS-Steel
  • HS Code: 7225
Product Description
1.2738 Plastic Mould Steel
Steel-making Condition: EF, EF/EAF+LF+VD, EF/EAF+ESR
Delivery Condition:
Annealed , Quenched + Tempered
Surface Condition: 
Black, Grinded, Peeled, Rough turned, Polished
1.Competitive price
2.Immediate delivery
3.Premium quality
4.Reliable service
5.MOQ: 1 Ton
Heat Treatment:
Annealing temperature: 710 ~ 740 °C, holding time is decided by the thickness of the DIN 1.2738 die steel, one hour per 25mm. Colding in furnace after thermal insulation.
Destressing: Heating temperature: 600 °C (annealed condition), 550 °C (quenching and tempering state), holding time is decided by the thickness of the 1.2738 steel, one hour per 50mm. Colding in furnace after thermal insulation.
Quenching and tempering:
Preheating temperature 500 ~ 600 °C, quenching temperature 840 ~ 880 °C, holding 30min (the mold have to quenching in the protective gas to prevent oxidation and decarbonization). Oil cooling, cooling to 50 ~ 70 °C,immediately tempered. Tempering holding time is decided by the thickness of the 1.2738 steel mould, one hour per 25mm, at least 2h. Tempering temperature: 180 °C / 200 °C / 300 °C / 400 °C / 500 °C / 600 °C, the hardness: 52HRC / 51HRC / 48 HRC / 46HRC / 42HRC / 34HRC.
Large plastic moulds with deep engravings and intensive impacts on the core. 1.2738 Pre
hardened Plastic Mold Steel is the logical development of 1.2311, a pre-hardened plastic mould steel for use in large moulds, which also have to display high core strength. The additional nickel content of 1 % increases through hardening. 1.2738 is a micro-alloyed, vacuum-degassed steel with the following excellent features: good machinability, outstanding polishability, good texturing properties.
1.2738 Pre-hardened Plastic Mould Steel, hardness in as-delivered condition 280 to 325 HB. Good machinability, suitable for texturing, improved through hardening in comparison to 1.2311, good polishability.
We are the leading manufacture and supplier of mould steel in China, we can provide the below:
1. High Quality
2. Various Type and Specification
3. Competitive Price
4. Perfect Service
5. On Time Delivery                                            
China gradesForeignCSiMnCrP≤S≤MoNi
Available sizeRound BarDiameterLength
Flat BarThicknessWidth
Heat TreatmentQuenchingTempering
Heating TemperatureCoolingHardnessHeating TemperatureCoolingHardness
840-870Oil or Air≥50550-640Air28-36
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Mr. Fortune Yang
Sales Manager
To: Mr. Fortune Yang

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