A588 Steel Plate

A588 steel plate is a structural steel that Kloeckner Metals routinely stocks in coil, cut to length, hot rolled, and discrete formats nationwide.

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General Info About A588 Steel

A588 is a high strength, low alloy steel plate that was developed for use cases demanding higher strength and a longer life cycle. A588 is known for its atmospheric corrosion resistance thanks to a natural patina of rust that forms when exposed to outdoor weather conditions.

More Details About A588 Steel

  • Advantages/Disadvantages

    The biggest advantage to A588 is its atmospheric corrosion resistance for which it was specially formulated. It is substantially better than other structural steels like A36 or A572.

  • Industries

    A588 steel was developed primarily for industries requiring outdoor structural steel solutions, wherever there is a need for a combination of lighter weight, higher durability, and exceptional corrosion resistance.

  • Applications

    You will primarily find A588 steel plate in welded bridges, buildings, and other structures.

     

  • Machining

    Grades A and B both have good material machinability.

  • Welding

    A588 welds similar to low carbon steels like ASTM A36 and ASTM A572. Due to A588’s specific coloring, you will need to consider color matching when welding.

Frequently Asked Questions About A588

  • What grades is ASTM A588 available in?

    ANSWER:

    ASTM A588 is available in 3 grades, A, B, and K.

  • Is A588 weathering steel?

    ANSWER:

    With the addition of copper, nickel, and chromium alloys, ASTM A588 is specially designed for projects with high exposure to atmospheric conditions. In fact, its advantage over similar steels like A572 is its weathering ability. For that reason, A588 is also known as a weathering steel. The surface oxidation of weathering steel—what gives it its distinctive rusty appearance when unpainted—typically takes six months, but surface treatments can accelerate the oxidation to as little as a few hours.

  • Does A588 need to be painted?

    ANSWER:

    Because of its strong, innate resistance to corrosion, A588 can be used in its bare, or unpainted, condition.

  • How is A588 related to Cor-Ten®?

    ANSWER:

    Cor-Ten® is a trade name for atmospheric corrosion resistant steel with the same specifications as A588. As it became more popular over the years, mills began to develop their own versions, at which point ASTM created standard specifications for it, what we now know as A588.

Services provided to A588 Steel Plate products

Plate Distribution

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Oxy-Fuel Cutting | Flame Cutting

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Tapping

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Plate Flattening

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Stretcher Leveling

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Roll Forming

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Shot Blasting

Kloeckner offers industry-leading shot blasting and paint...

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Plate Processing

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Plasma Cutting

Leading the North American metals industry with...

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Sawing

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Branches featuring A588 Steel Plate products

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Industries served by A588 Steel Plate

Construction

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Agriculture

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Aggregate

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Timber

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Military and Government

With growing infrastructure needs and strong investments...

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Heavy Equipment & Construction

Between our long experience in heavy equipment...

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Metal Building

Kloeckner meets and exceeds the needs of...

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Fabricators & Machine Shops

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Plate Fabrication

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