Din1.2312 / Aisip20 + S Hot Rolled Plastic Mold Steel With Hardness 30 - 36hrc
Din1.2312 / Aisip20 + S Hot Rolled Plastic Mold Steel With Hardness 30 - 36hrc
Din1.2312 / Aisip20 + S Hot Rolled Plastic Mold Steel With Hardness 30 - 36hrc
Din1.2312 / Aisip20 + S Hot Rolled Plastic Mold Steel With Hardness 30 - 36hrc

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Din1.2312 / Aisip20 + S Hot Rolled Plastic Mold Steel With Hardness 30 - 36hrc

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Product description

Advantage: Good Toughness Properties Hardness: 30~36HRC
Ultrasonic Test Standards: SPE1921,GR3,Class D/D Stress Relieving: Approx. 650 °C
Hot Forming: 1050 - 850 °C Hardness After Quenching: 50 - 54 HRC

 

 

DIN1.2312 / AISIP20 + S Hot Rolled Plastic Mold Steel with Hardness 30 - 36HRC

 

Description:

1.DIN1.2312/AISIP20+S/4Cr2MnMo Hot Rolled Steel

2.Hot rolled  or  forged condition, Pre-harden &tempering , black surface

3.Hardness: 30~36HRC

4. Hot rolled technology:EAF+LF+VD

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

5.Production leadtime: 7~10 days

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

7.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

 

8.Compared grades(based on usage):

 

GB

AISI

DIN

40CrMnMo

P20+S

1.2312

 

9  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

Hardness after tempering:

 

 

Tempering °C

100

200

300

400

HRC

54

54

53

50

 

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.

Specifications:

 

Hot rolled condition

Steel plate(mm)

Mill name

 

 

Thickness

Width

Length

 

Hot rolled 

14~100

225~2400

18000~5800

WenFeng,TaiGang steel

Hot rolled

105~195

225~2400

18000~5800

BaoGang steel

Forged condition 

1500~600

610~1200

2500~4000

Local mill with 6000tons fluid forged machine

 

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 standards

 

 

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