GB 40CrMnMo Forging Die Steel Plate
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: 7~30 days
5. 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
6. 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
7.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
8. 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
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) |
|
Thickness |
Width |
Length |
Forged condition |
150~600 |
610~1200 |
2500~4000 |
Shenzhen Guangshenfa Metal Co., Ltd. Was established in 1998. Our company's business
Staff members possess professional service capabilities of steel products, with more than
A decade of experience on steel production, technology development, product sales and
Foreign trade. We comply the principle of friendly cooperation and mutual benefit, and
Persist in developing together with customers
Our company is located in shenzhen, a coastal city of Guangdong province, which offer
Customers the convenience of transportation by sea or by air.
Our company is mainly engaged in steel or metal products for various specifications and
Materials, such as hot-rolled bars, tubes, square steel, flat steel, special steel,
Titanium, copper, etc.
We also run the import and export of steel products, based on the needs of customers at
Home and abroad to develop a variety of special steel products and timely delivery. I
Hope to sincerely cooperate with domestic and foreign customers, providing high-quality
And low-priced products and professional services.
