Product Description

      Extension Spring

1>More than eleven years in producing springs.

2>design as customer's requirement
3>competitive price good quality and good service
4>specialized in producing precision small spring with Wire Diameter from 0.*8mm**0.0mm

Material of Products

Adopting domestic and imported SWC, SUC, SWP, mild steel wire, manganese steel wire, phosphorus copper wire, nickel-plated wire, zinc-plated wire, tin-plated copper wire, nickel plated steel wire, non-magnetic stainless steel wire, heat-resistant steel wire, duplex stainless steel wire(corrosion resistant and heat resistant steel wire), bronze, copper, phosphorus copper, beryllium copper. Alloy steel contains *0Si2MNA, *0Si2CRVA, *5CrSi.

Product performance 

1.service life: 1,**0,**0 times—5,**0,**0 times 

2.high strength of extension and hardness

3.excellent elasticity

4. acid and alkali-resistant and high temperature resistance for ***0 Celsius degree 

Application 

Applications for extension springs include automotive interiors and exteriors, garage door assemblies, vise-grip pliers, carburetors, trampolines, washing devices, farm machinery, toys as well as thousands of other uses. Extension springs come in a wide array of sizes, from small medical devices to off-road machinery brake springs.