NAK80/P21 Hot Rolled Plastic Mould Steel Plate

To make high precision mirror plastic mould, high appearance home appliance plastic mould.


Our company mainly sells plastic die steel, hot work die steel, cold work mould steel, alloy structural steel, bearing steel, tool steel, stainless steel, carbon steel, etc.

Our all 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 relation with importers all over the word.

Detail information of NAK80 plastic mould steel

6, Chemical composition:

Delivery Condition:EAF+LF+VD+(ESR), forged, annealed, UT tested, peeled or machined.

Heat Treatment:
Forge:At 900° C-1100° C Cool slowly and anneal immediatedly
Anneal:At 880° C Cool slowly in furnace
Stress Relieve:At to 600° C - 650° C Cool in still air
Harden:Preheat at 600° C - 850° C raise to 1020° C -1100° C Cool in air, iol or into salt bath held at 200° C - 300° C and then air cool


7, 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.