Pre-hardened 1.2738 P20+Ni Plastic Mould Steel Plate

Pre-hardened large size injection mould, can be pollished normally, used for making high demand large plastic mould.

1, Grade

2, Chemical composition(%)

3, Available size(mm)

4, Recommend heat treatment

5, Hardness: 33-37HRC

6, 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
4) Forged technology: EAF+LF+VD+ESR+Forging +Q T + Machined surface

7, Features
A, Good Polishing performance, abrasion resistance and high tensile strength
B, No quenching crack danger, Without heat treatment costs that can reduce the tool cost..

8, Application
Suitable for large-scale plastic injection products,such as home appliance, computer case, telephone sets, audio PMMA products.Used for manufacturing hot-extrusion die and mandril by aluminium alloy sections,swage hammers, forging presses, forging machine, high modulus die under high temperature and shock loading

9, Packing: Standard export packing or according to customers' request.

10, Delivery:
For abundant stock, 15-20 days.
For customized products, 30-50 days.

11,Products picture





Corner of the factory

Guangzhou ChangFeng Steel Co., Ltd. is a professional special steel company, which specialized in exporting mould steel products based in China.With twenty 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.

Our company keeps the principle of “sincerely cooperation, endless striving for perfection”. We desire to establish the long-term mutual beneficial and win-win relationship with clients all over the world.