Forged Steel Block of Plastic Mould Steel 1.2738 718H P20+Ni
DIN 1.2738 Forged Plastic Mould Steels
1, Features
a, uniform hardness qualitative of Material;
b, No quenching crack danger, Without heat treatment costs that can
reduce the tool cost;
c, Excellent polishing performance;
d, Good machining performance;
2, Application
Used for various large -sized mirror plastic mould,percision mould;
a, Leather grain, pear skin grain etching, imitation stone moulds;
b, Clear plastic container classes such as pencil case, commodity
high gloss mould;
c, Such as refrigerator, air conditioner production to demand
higher large mould;
3, Grade
| GB | AISI | DIN |
| 3Cr2NiMnMo | P20+Ni | 1.2738 |
4, Available Size
| Grade | Size(mm) |
| 1.2738 Plate | Thickness | Width | Length |
| 300-1000 | 800-1600 | 2000-6000 |
5, Chemical composition(%)
| C | Mn | Si | Cr | Ni | Mo | P | S |
| 0.35-0.45 | 1.30-1.60 | 0.20-0.40 | 1.80-2.10 | 0.90-1.20 | 0.15-0.25 | ≤0.03 | ≤0.03 |
6, Mechanical Properties
| Hardness | Y.S.(0.2%) | UTS | Elongation | RoA | Elastic Modulus |
| HB | Mpa | KSI | Mpa | KSI | % | Z% | GPA | KSI |
| 300 | 826 | 120 | 993 | 145 | 17 | 59 | 205 | 29745 |
7, Hardness: 33-37HRC
8, Packing: Standard export packing or according to customers' request.
9, Delivery date
For abundant stock, 7-15 days.
For customized products, 30-50 days.
10, The process flow
1) Hot rolled or forged condition, Pre-harden &tempering ,
black surface
2) Hardness: 30~36HRC
3) Hot rolled technology: EAF+LF+VD
Forged technology: EAF+LF+VD+ESR+Forging +Q T + Machined surface
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Quality inspection
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About us:
Guangzhou ChangFeng Steel Co., Ltd. is a professional special steel company, which specialized in
exporting mould steel products based in China. With more than 20
years experience in special steel industry, our main products are
Plastic Mould Steel, Hot Work Mould Steel, Cold Work Mould Steel, Alloy Structural Steel, Tool Steel, Stainless Steel, Carbon
Steel and Forged Block.
To ensure provide high quality products to customers, we have close
cooperation with many Chinese first class special steel
enterprises, including Baosteel Group, Dongbei Special Steel,
Changcheng Special Steel, Hongsheng Heavy Industry, Xingcheng
Special Steel, Daye Special Steel.
We have thousand tons of stock materials in our own factory and also can
provide processing services to customers. We are full of export
experience for many years, the product covers America, Germany,
France, Italy, Turkey, Singapore, Thailand, Malaysia, Vietnam,
Taiwan, and Middle-East.
After years of development, the company has established a complete
quality management and export service system. We have a group of
experienced and competent elites and is capable of offering the
best service to clients.
Our company equips with large-sized Vertical saw machines,
Horizontal saw machines, Milling machines, Grinding machines and
other advanced equipments to provide customers with cutting and
other processing services.
All the products should be inspected the metallographic analysis,
hardness, ultrasonic flaw detection and other strict inspection
processes, which meet the standards of DIN, AISI, JIS and GB to
ensure their function and quality.
