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Product description
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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