60Si2Mn Alloy Spring Steel

Henan Friend Metal Products Co., Ltd. is one of the leading manufacturers and suppliers of 60si2mn alloy spring steel in China. If you're going to buy 60si2mn alloy spring steel made in China, welcome to get more information from our factory. We also accept customized orders.

Characteristics and scope of application

60Si2Mn alloy spring steel is widely used silicon manganese spring steel, strength, elasticity and hardenability than 55Si2Mn slightly higher. 60Si2Mn alloy spring steel suitable for railway vehicles, automobile tractor industry to undertake a larger load Of the flat spring or wire diameter of 30mm below the coil spring, leaf spring is also suitable for the production of working temperature below 250 ℃ non-corrosive medium in the heat-resistant spring and to withstand the alternating load and work under high stress large-scale rolling spring The

chemical composition

Carbon C: 0.56 to 0.6 silicon Si: 1.50 to 2.00

Mn: 0.60 to 0.90

Sulfur S: ≤0.035

Phosphorus P: ≤0.035

Cr Cr: ≤0.35

Ni: ≤ 0.35

Copper Cu: ≤ 0.25

Mechanical properties

Tensile strength σb (MPa): ≥1274 (130)

Yield strength σs (MPa): ≥1176 (120)

Elongation δ10 (%): ≥5

Section shrinkage ψ (%): ≥25

Hardness: hot rolling, ≤ 321HB; cold drawing + heat treatment, ≤ 321HB

Heat treatment specification and metallographic organization

Heat treatment specification: quenching 870 ℃ ± 20 ℃, oil cooling; tempering 480 ℃ ± 50 ℃ (special needs, ± 30 ℃).

Crystal structure: tempered tus.

Delivery status: hot-rolled steel to heat or non-heat treatment delivery, cold-drawn steel to heat treatment delivery.

Heat treatment method

60Si2Mn heat treatment methods are isothermal tempering and grading quenching, sub-temperature quenching and high temperature tempering, deformation heat treatment process. The method can effectively improve the strength and service life of 60Si2Mn spring steel. 60Si2Mn belongs to spring steel, suitable for making automobile leaf spring. 60Si2Mn spring steel heat treatment isothermal tempering and grading quenching, sub-temperature quenching and high temperature tempering, deformation heat treatment process. The method can effectively improve the strength and service life of 60Si2Mn spring steel.

density

60Si2Mn density of 7.85g / cm3.60Si2Mn is widely used silicon manganese spring steel, strength, elasticity and hardenability than 55Si2Mn slightly higher. Suitable for railway vehicles, automobile tractor industry to produce a larger load of flat springs or wire diameter of 30mm below the coil spring.

Choose the high quality spring steel wire, must choose the quality raw material.Spring steel wire is produced by wire rod, the raw material of spring wire and steel wire produced by our factory is used in large domestic and foreign steel mills such as baosteel and han steel.

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