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DIN 1.2312 AISIP 20 + S Forging Die Steel Plate Pre-Harden for Injection Molding GB 40CrMnMo
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DIN 1.2312 AISIP 20 + S Forging Die Steel Plate Pre-Harden for Injection Molding GB 40CrMnMo

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DIN 1.2312 AISIP 20 + S Forging Die Steel Plate Pre-Harden for Injection Molding GB 40CrMnMo

 


1. Condition:Forged  , Pre-harden &tempering , black or milled surface

2. Hardness: 30~36HRC

3.  Forged technology: EAF+LF+VD+ESR+Forging +Q T + Machined surface


4. Production leadtime: 7~15 days

5. Ultrasonic test standards: SPE1921,GR3,Class D/D

6. Chemical composition:


C:0.35-0.45             Si:0.30-0.50               Mn:1.40-1.60                 P≤0.035            
S:0.05-0.10             Cr:1.80-2.00               Mo:0.15-0.25

 

 

7. Heat Treatment:


    Annealing: 710 - 730 °C


    Hardness after annealing:  Max. 230 HB


    Stress relieving:  Approx. 650 °C


    Hot forming: 1050 - 850 °C


    Hardening: 870 - 890 °C


    Quenching media: Oil, Salt bath, Vacuum


    Hardness after quenching: 50 - 54 HRC



 

 8.Applications:


Injection dies without special surface requirements and low mechanical stresses, medium and large sized

moulds for plastic processing, dies of light alloys with low melting point, mould fittings, mould frames for the

injection molding and die casting industries, components for general mechanical engineering, tools for

synthetic plastics processing, die holders, support plates, casings, chases, recipient sleeves, constructional

parts, hyrdo forming tools

 

 

9. Competitive Advantage:


1. Excellent machined ability properties with high S content


2. Good Toughness properties


3. Strong wear resistance


4. Uniform hardness of material and stablitity


5. Competitive price


6. Fast production leadtime


7. All the material are inspected with 3 times to meet the highly standard

 

 

 

Chemical composition:

 

Grade

C

Si

Mn

P

S

Cr

Mo

1.2312

0.35-0.45

0.30-0.50

1.40-1.60

≤0.035

0.05-0.10

1.80-2.00

0.15-0.25

 

 

 

Compared grades(based on usage):

 

GB

AISI

DIN

40CrMnMo

P20+S

1.2312

 

 

Specifications:

 

 

Steel plate(mm)

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Xing Da Lu Forging Parts Co., Ltd.
No.8 Tong Hui Nan Lu, Tongzhou District, Guangzhou, Guangdong, China (Mainland)
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