Sofa Spring Steel Wire High Carbon Steel 1.1mm 2.0mm

With the vision of becoming the leader of Oil tempered special-shaped steel wire, diamond oil-spring steel wire JIS G3561, Spring Steel Wire ASTM-A401, we will continue to deliver high-quality products to thousands of customers. We strive to build the company into an excellent company with leading technology and services in the industry. Facing the new era, we will inspire and forge ahead under the correct leadership of the country, with the care and support of our partners and all walks of life. We have strong technical force, advanced processing equipment, and complete production and testing equipment.

Characteristics and scope of application:

Is widely used in Si Mn spring steel, strength, elasticity and hardenability, slightly higher than 55Si2Mn. Suitable for railway vehicles, automobile and tractor industry production bear a larger load or a flat spring wire diameter in the spiral spring, below 30mm is suitable for the production of temperature at 250 DEG C nonrefractory spring corrosion medium and under alternating load and in large type under high stress the importance of working roll spring.

Chemical composition:

C:0.56 to 0.64

Si:1.60 to 2

Mn:0.60 to 0.90

S: = 0.030

P: = 0.030

Cr: = 0.35

Ni: = 0.35

Cu: = 0.25

Mechanical properties:

The ultimate tensile strength of B (MPa): 1568 (160)

Yield strength s (MPa): 1372 (140)

10 elongation (%): 5

Section shrinkage (%): 20 PSI

The hardness is less than or equal to 321HB;: hot rolling, cold drawing + heat treatment, less than 321HB

Specification and metallographic structure of heat treatment:

Specification for heat treatment: quenching at 870 + 20 C, oil cooling; tempering at 440 C + 50 C (special needs, + 30).

We have always adhered to the business philosophy of "thought determines the way out, character creates products", strengthens market expansion and capital operation, actively seeks new development space, and promotes the development of Sofa Spring Steel Wire High Carbon Steel 1.1mm 2.0mm. Timely delivery and competitive prices are our company's strategic source. All employees of our company are conscientious and united in their own positions and pay their own heat for the development and growth of the company.