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Spring Steel Wire

60Si2MnA Carbon Spring Steel Wire

    Product_Grade: 60Si2MnA

    Product_Specs: 1.0 mm 1.2 mm 1.5 mm 1.8 mm 2.0 mm 2.5 mm 3.0 mm

    Execution_Standard: ASTM A29/A29M

    Applications: Spring Steel Wire

    Characteristics: 60Si2MnA spring wire is extensively used in the automotive sector for various springs, such as suspension springs, clutch springs, valve springs, and seat belt springs. It finds applications in the manufacturing of industrial machinery and equipment, including construction machinery, agricultural equipment, and mining machinery. 60Si2MnA spring wire is used in electrical switches, connectors, and ···

Product Details

60si2mna Alloy Spring Steel Wire


60Si2MnA Carbon Spring Steel Wire Details 

Regular size and Tolerance

Steel round bar: Diameter Ø 5mm – 3000mm

Steel plate: Thickness 5mm – 3000mm x Width 100mm – 3500mm

Steel Hexagonal bar: Hex 5mm – 105mm


Chemical Composition


C(%)0.56-0.64Si(%)1.50-2.00Mn(%)0.60-0.90P(%)≤0.035
S(%)≤0.035Cr(%)0.35maxNi(%)0.35max


Mechanical Properties


The mechanical properties of 60SI2MN Spring Steels are outlined in the following table.


Tensile strengthConditions to yield strengthElongationReduction of areaHardness (Hot Rolled)Hardness (Cold Drawn)
σb (MPa):≥1274(130)σ0.2 (MPa):≥1176(120)δ10 (%):≥5ψ (%):≥25≤321HB;


Tempering of 60SI2MN Spring Steel

Tempering of 60SI2MN steels is performed at 480-530°C, Soak well at the selected temperature and soak for at least one hour per 25mm of total thickness. 

Hardness values at different temperatures after tempering HRC: 150°C-61HRc,200°C-60HRC,300°C-56HRC,400°C-51HRC,500°C-43HRC,550°C-38HRC,600°C-33HRC,650°C-29HRC.

Application 

Automotive Industry: 60Si2MnA spring wire is extensively used in the automotive sector for various springs, such as suspension springs, clutch springs, valve springs, and seat belt springs.

Machinery and Equipment: It finds applications in the manufacturing of industrial machinery and equipment, including construction machinery, agricultural equipment, and mining machinery.

Consumer Goods: The wire is utilized in various consumer products, such as toys, furniture, appliances, and sporting goods, where springs are required for functionality.

Electrical and Electronics: 60Si2MnA spring wire is used in electrical switches, connectors, and other electronic components that require reliable spring properties.

Lock and Hardware Industry: It is used to manufacture various types of locks, door handles, and other hardware components that rely on spring mechanisms.

Medical Devices: The wire is employed in the production of medical devices and equipment that require springs for functionality or safety features.

Railway Industry: It is used in the railway sector for various applications, including spring-loaded rail fasteners and couplings.

Oil and Gas Industry: 60Si2MnA spring wire is used in oil and gas equipment, such as valves and fittings, where reliable spring properties are essential for proper functioning.

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