B55SiCrV wire is a high-strength alloy spring steel wire. The careful blending of its chemical composition gives B55SiCrV wire excellent load-bearing capacity, allowing it to maintain structural integrity without breaking when subjected to huge tensile forces. The high silicon content not only helps to improve the elasticity of the spring, but also extends its service life. In addition, the wire has good plastic deformation ability, which is easy to process and shape, and can meet customers' strict requirements for product quality and needs for different shapes and sizes.

Chemical element content (%)

Specification：1.00~42.00mm

Application areas:Applicable to the manufacture of automobile suspension springs, valve springs, clutch springs, mechanical die springs, shock absorber springs, and spring parts of railway vehicles; widely used in the automotive industry, machinery manufacturing, rail transportation and other fields.

Heat treatment specifications: 

Suitable for heat treatment processes such as quenching and tempering. Its mechanical properties and fatigue properties can be further improved through reasonable heat treatment.
The quenching temperature is generally around 850℃, oil cooling;
The tempering temperature is adjusted according to specific needs, generally 400℃ - 600℃.

Mechanical properties:

-Tensile strength ≥1000MPa;

-Elongation after fracture ≥10%;

-Sectional shrinkage ≥30%;

-Hardness HRC ≤35HBW.

We mainly engage in cold heading wire, wire, bar, peeled bar, and profiled bar; our products cover 11 series and more than 300 grades, and we continue to develop a variety of professional steels. We can provide all-round solutions such as cold heading finishing line manufacturing and high-precision bright bar customization, and provide one-stop procurement services and package procurement solutions for global customers. The website displays some grades. If you don’t have the grade you need, please contact us by phone or email.