Spring Steel refers to a group of a low alloy, medium carbon steel or 

high carbon steel with excellent yield strength. 

Our SMC is the leading manufacturing and supplier of spring steel products. 

Specifications of Spring Steel Wire:

1) Grade:

2) Diameter: 0.2mm - 13.0mm

3) Tensile Strength: 350MPa - 2500MPa

4) Standard: GB4357, DIN17223, JIS G 3521 

5) Finish: NB (standard finish), EB (polished finish), UB (highly polished finish)

6) Surface: Galvanized & Ungalvanized 

Chemical Composition of Spring Steel Wire:

Packaging of Spring Steel Wire

Shanghai Metal Products are packed and labeled according to the regulations and customer's requests. Great care is taken to avoid any damage which might be caused during storage or transportation. In addition, clear labels are tagged on the outside of the packages for easy identification of the product I. D. and quality information.

1) Shanghai Metal Standard

2) Customization

Applications of Spring Steel Wire:

Spring Steel is widely in the motor vehicle industry and many general engineering

applications. It is suitable for applications that require high strength and toughness. 

Typical applications include: Crankshafts, steering knuckles, gears, spindles and pumps,

Torsion spring, Breaking spring, Clockwork spring, Roller shutter door spring,

Reed of the clutch, Mattress spring, Wiper arm spring, etc.

Features of Spring Steel Wire:

1) High strength increasing bearing capacity

2) Good wearing quality

3) Quick heat radiation

4) Elasticity

With these features, steel wire is widely in optical fibre cable, mattress (bed &Sofa) , rib , spring steel wire and many general engineering applications.