C75s Hardened and Tempered High Carbon Steel Strips for Wood Cutting Bandsaw Blades and Rolling Shutter Spring Steel Strip

'Based on domestic market and expand overseas business' is our development strategy for SAE9254V alien steel wire factory, Trapezoidal steel wire factory, Valve alloy spring wire. To revitalize the national manufacturing industry and become an internationally competitive company respected by the society is our unswerving pursuit. We use excellent brand culture and high-quality products to advocate a new life and production concept. The company has established a technology development department, quality management department, production purchasing and marketing center, customer service center and other collaborative departments. We focus on the sustainability of social development and obtain the trust of stakeholders through corporate management.

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).

The company always adheres to the business philosophy that integrity is capital, quality is life, and innovation is driving force, leading the development of the C75s Hardened and Tempered High Carbon Steel Strips for Wood Cutting Bandsaw Blades and Rolling Shutter Spring Steel Strip industry. Our products have high starting point, high requirements and high standards. We don't have gorgeous language, but we have excellent quality. Our company has a large customer group, we keep pace with the times and constantly consolidate our own strength.