Guangzhou Changfeng Steel Co., LTD
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1.7220/35CrMo/SAE4135/SCM435 Mechanical Alloy Tool Steel
1.7220 SAE4135 35CrMo Special tool Steel bar for Mechanical with diameter 16-120mm
Chemical Component(%)
| C | Si | Mn | Cr | P | S | Mo |
| 0.33-0.38 | 0.15-0.35 | 0.40-0.70 | 0.80-1.10 | 0.035 max | 0.035 max | 0.15-0.25 |
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.
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