A710

A710 is a low-carbon, high-strength alloy steel that’s routinely stocked nationwide across Kloeckner Metals’ 40+ branches.

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Typical Standards

A710Thickness (Metric/Imperial)WidthLength
Grade A - Class 11/4" - 3/4"48" - 120"Up to 480"
Grade A - Class 2 & 31/4" - 8"48" - 120"Up to 480"
Grade B1/4 " - 2"48" - 120"Up to 480"

General Info About A710

A710 is a low carbon alloy steel that is age-hardened and has a high yield strength. It is available in two specifications—A and B—each containing three classes. It is often used for applications that require weight reduction or where manufacturers are looking to reduce welding costs or improve the ease of fabrication.

More Details About A710

  • Advantages/Disadvantages

    A710 steel has a high yield strength, but is also higher cost than some other grades. A710 has food formability, fair joining capabilities, and basic corrosion resistance.

  • Industries

    Typical industries for A710 steel plate are the construction and transportation industries.

  • Applications

    Typical applications for A710 steel plate are rail cars, truck frames, shipbuilding, piping components, and construction equipment.

  • Machining

    A710 has good machinability. It can be machined in the annealed condition, but the H1150M condition will have the best results. If you machine in this condition, post machining solution treatment is required before the final hardening process.

  • Welding

    A710 is good for welding. The common fusion and resistance method are most successful when welding A710. It is not recommended to use oxyacetylene welding.

  • Heat Treatment

    A710 is heat treatable. The wat to do heat treatment on A710 depends on the condition it is in.

Chemical Properties - Grade A

CCrCuFeMnMoNiNbPSiS
≤ 0.070%0.60 - 0.90%1.0 - 1.3%95.33 - 97.13%0.40 - 0.70%0.15 - 0.25%0.70 - 1.0%≥ 0.020%≤ 0.025%≤ 0.40%≤0.025%

Mechanical Properties

Mechanical Properties
MetricImperial
Tensile Strength, Ultimate495 MPa71,800 psi
Tensile Strength, Yield415 MPa60,200 psi
Elongation at Break (in 50 mm)20%20%
Modulus Elasticity205 GPa29,700 ksi
Bulk Modulus (Typical for Steel)160 GPa23,200 ksi
Poissons Ratio0.290.29
Shear Modulus (Typical for Steel)80 GPa116,000 ksi

Frequently Asked Questions about A710

  • What is the difference between the different grades and classes?
    • Grade A, Class 1 is in the as-rolled and precipitation heat treated condition
    • Grade A, Class 2 is in the normalized and precipitation heat treated condition
    • Grade A, Class 3 is in the quenched and precipitation heat treated condition
    • Grade B, Class 1 is in the as-rolled condition
    • Grade B, Class 2 is in the normalized condition
    • Grade B, Class 3 is in the normalized and precipitation heat treated condition

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