1.7220/35CrMo/SAE4135/SCM435 Mechanical Alloy Tool Steel

Chemical Component(%)

ASTM 4135 has high fatigue limit of static strength, impact toughness and high hardenability, higher than 40Cr, has high creep strength and rupture strength under high temperature, long-term working temperature of 500 degree; cold plastic deformation medium, poor weldability.

Application:
SAE 4135 Alloy Steel used for vehicles, engines and machines-axles, turbine components, chains, Forgings, Truck, turbine or rotor drive shafts, gearbox gears, axles, half-shafts for rear axle stays.Shafts of All types, gears and any components subject to fatigue stresses.

Hot rolled technology: EAF+LF+VD

Forged technology: EAF+LF+VD+ESR+Forging+Q T+Machined surface

Heat treatment:
Annealing or Q+T
Surface treatment:
Black/Peeling/Polishing/machined

Package:
We provide standard export packing or according to customers' request.

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


All the sizes as require can be customerized as fresh production with MOQ,products of required specifications can be developed/produced per international, chinese or industry standards, or based on agreements with customers.
FAQ:

Q: Are you a manufacturer or merely a trader?
A: We are trading company act as exporting Steel Products with our own factory,
we can manufacture the products as in cutomer's requirement,wholesale and retail all kinds of domestic mould steel,the price we offered is very competitive compared with other agents.

Q: How do you guarantee the quality of your product?
A: Firstly, we can provide the certificates from the third party, such as SGS, CE,ISO if you need. Secondly, we have a complete set of inspection system and every process is checked by QC. Quality is the lifeline of enterprise survival. Third,the products we export are mainly from ShaGang group, WenFeng group, XingCheng group, DongTe group,DaYe and so on, the quality are certained.

Q: What is the payment term?
A:100% T/T or 30%T/T deposite prepaid, 70%Balance L/C

Q: Can we visit your company and factory?
A: Yes, warmly welcome! We can book the hotel for you before you come to China and arrange our driver to our airport to pick you up when you come.

Warehous

Processing

Strict Quality Control

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.