60Si2Mn Spring Steel

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Material Name: 60Si2MnCompliance Standard:GB/T 1222-2007 。

 60Si2MnSpring steel is a widely used silicon-manganese spring steel with higher strength, elasticity, and hardenability.55Si2MnSlightly higher.60Si2MnSpring steel, used industrially to manufacture flat springs capable of bearing high loads or wire diameters of30mmThe following helical springs are also suitable for manufacturing applications with working temperatures of250 ℃High-temperature springs for non-corrosive mediums, large-scale important coiled springs capable of withstanding alternating loads and operating under high stress, as well as automotive shock absorber systems, etc.

60Si2MnChemical Composition

Carbon C :0.56~0.64

Silicon Si:1.50~2.00

Manganese Mn:0.60~0.90

Sulfur S :≤0.035

Phosphorus P :≤0.035

Chrome Cr:≤0.35

Nickel Ni:≤0.35

Copper Cu:≤0.25

60Si2MnMechanical properties

Tensile Strength σb (MPa):≥1274(130)

Yield Strength σs (MPa):≥1176(120)

Tensile elongation δ10 (%):≥5

Section reduction rate ψ (%):≥25

Hardness :Hot rolled,≤321HB;Cold Drawn+Heat Treatment,≤321HB

Heat Treatment Specifications

60Si2MnHeat Treatment Specifications:Quenching870℃±20℃,Oil-cooled; Austenitizing480℃±50℃(Special requirements,±30℃)。

Metallographic structure:Austenitic ferrite.

Shipment Status:Hot-rolled steel is delivered in a heat-treated or non-heat-treated condition, while cold-drawn steel is delivered in a heat-treated condition..

Hot Rolled Delivery Specifications:2.0~18.0mm,Annealed and unannealed conditions. Cold rolled delivery specifications:0.3~4.3mm(Steel Strip)

We also supply similar products to the aforementioned items:60Si2MnRound steel60Si2MnWires60Si2MnSteel plate.