55Si7 characteristics:

The product is a common spring steel with extensive applications. It mainly used to manufacture cushion spring, clockwork spring, oil pump speed adjusting spring, plunger spring, absorber spring, clutch spring and brake spring etc.

 Application:

This product has characteristics of good metallurgical quality such as high purity and uniformity, good surface quality by strictly controlling surface defect and decarburization, good mechanical properties especially on elastic limit, strength limit and tensile ratio, as well as accurate shape and dimension.