A656

Kloeckner Metals routinely stocks A656 in four grades—50, 60, 70, and 80—across its nationwide network of branches.

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General Info About A656

A656 steel is a high-strength, low alloy steel plate. Kloeckner offers A5656 in four different grades, including 50, 60, 70, and 80, and in three chemical requirements, type 3, type 7, and type 8. This specific steel has good formability, weldability, and notch toughness when in the as-rolled condition. A656 does well in low and ambient temperatures and, due to its strengths, it is typically used in the construction industry. Some common applications include truck frames, construction equipment, crane booms, and general fabrication.

Typical Standards

GradeSizes routinely stocked (Imperial units)
ThicknessWidthLength
Hot Rolled (Strip Mill)A6563/16" - 1/2"48", 60", 72"Any
Discrete (Mill Rolled)A6563/16" - 1"48" - 96" 240" - 480"

More Details About A656

  • Advantages/Disadvantages

    A656 steel had good formability and good corrosion resistance. The cost, on the other hand, can be a little higher.

  • Industries

    A656 steel plate is used in the construction, transportation, and agricultural industries, among others.

  • Applications

    Some common applications for the A656 steel are crane booms, rail car components, and truck frames. Other applications include construction and agricultural equipment, heavy vehicle frames, and transport trailers.

  • Machining

    A656 can be machined in the annealed condition, but will have better results when the condition is H1150M.

  • Welding

    A656 can be welded by common fusion and resistance methods, but should not be joined by oxyacetulene welding.

  • Heat Treatment

    A656 is heat-treatable.

Chemical Properties - Type 3

CMnPSSiCoVN
0.18%1.65%0.025%0.030%0.60%0.008 - 0.10%0.08%0.030%

Chemical Properties - Type 7

CMnPSSiCoVN
0.18%1.65%0.025%0.030%0.60%0.10% Max0.15%0.030%

Chemical Properties - Type 8

CMnPSSiCoVN
0.18%1.65%0.025%0.030%0.60%0.10% Max0.01 - 0.15%0.030%

Mechanical Properties - Grade 80

Mechanical Properties
MetricImperial
Tensile Strength, Ultimate620 MPa90,000 PSI
Tensile Strength, Yield550 MPa80,000 PSI
Elongation at Break (in 200 mm)9%9%
Elongation at Break (in 50 mm)12%12%

Frequently Asked Questions About A656

  • What is the ASTM A656 Grade 80 Chemical Composition?

    ANSWER:

    The chemical composition of ASTM A656 Grade 80 Type 8 is:

    • 0.18% Carbon
    • 1.65% Mangenes
    • 0.025% Phosporus
    • 0.03% Sulfur
    • 0.6% Silicon
    • 0.08-0.15% Vanadium
    • 0.03% Nitrogen
    • 0.008-0.10% Columbium
    • 0-0.15% Titanium

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