Henan Friend Metal Products Co., Ltd. is one of the leading manufacturers and suppliers of 60si2mna alloy spring steel wire in China. If you're going to buy 60si2mna alloy spring steel wire made in China, welcome to get more information from our factory. We also accept customized orders.
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).
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