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|Standard:||DIN, JIS, AISI, ASTM, GB, BS||Heat Treatment:||Annealed / Q+T|
|Technics:||Hot Rolled, Forged||Flaw Detection:||CC / DD/ EE|
|Surface Treatment:||Black/Peeled/Polished/Machined/Turned||Shape:||Plate / Flat Bar / Round Bar|
international tool steel,
hot work die steel
Turned Alloy Steel Round Bar 1.2311 H13 SKD61 of Hot Work Tool Steel
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.
A, Good heat-resistance and fatigue-resistance.
B, Good cutting and polishing performance.
Used for making hot squeeaing mould, forging mould and embedded lump.
A, Suitable to manufacturing aluminum, zinc, copper alloy extrusion die, die casting, hot forging die and hot shear blades, etc.
B, Extrusion mold of aluminum and magnesium, die-casting mold, especially adapt to the mold in large and complicated form.
C, Extrusion mold of copper alloy, die-casting mold
3, Heat Treatment:
The first stage of preheating:500 ~ 550 ºC
The second stage of preheating:750 ~ 800 ºC
Cooling or high pressure gas cooling, 100 ~ 150 ºC in the tempering furnace.
Preheat:300 ~ 350 ºC
Tempering heating:550 ~ 680 ºC
Air cooling to room temperature, tempering three times.Quenching temperature 1000 ~ 1050 degrees, 50 to 55 HRC hardness, heat treatment deformation is small, can be nitriding surface nitriding processing, processing of products has better wear resistance.
4, SKD61 Hardness: Annealing 235 ~ 205 HB, quenching ≥50 HRC, tempering hardness 46-50HRC.
5, Delivery Detail:
For abundant stock, 15-20 days.
For customized products, 30-50 days.
Package: We provide standard export packing or according to customers' request.
7, Chemical composition (%)
8, Technical service:
Die nacuum heat treatment and die surface treatment (N-O, C-N, carburize and nitridation surface treatment).
Strict Quality Control
Contact Person: Ms. Echo
Tel: +86 18148729336