ABS A131 AH36 | DH36 | EH36 | FH36

Higher-strength ABS shipbuilding steel comes in six grades and two strengths. Kloeckner Metals routinely stocks AH36, DH36, EH36, and FH36.

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General Info About ABS A131 AH36 / DH36 / EH36 / FH36

  • Advantages/Disadvantages

    ABS A131 AH36, DH36, EH36, and FH36 are defined as higher strength and these grades are certified by the American Bureau of Shipping (ABS), so that they can be used in shipbuilding. The different grades are offered in various condition. AH36 is offered in the control-rolled condition, DH36 in both the control-rolled and normalized condition, and EH36 in the normalized condition.

  • Industries

    ABS A131 AH36, DH36, EH36, and FH36 are higher strength steel plate grades that are only used in the shipbuilding industry.

  • Applications

    ABS A131 AH36, DH36, EH36, and FH36 are only used in the shipbuilding industry and therefore some common applications are structural ship parts, barges and marine equipment.

Chemical Properties

CFeMnPS
0.420 - 0.50%98.51 - 98.98%0.60 - 0.90%≤ 0.040%≤ 0.050%

Mechanical Properties

Mechanical Properties
MetricImperial
Tensile Strength, Ultimate490 - 621 MPa71-90ksi
Tensile Strength, Yield352 MPa51 ksi
Elongation2020

Frequently Asked Questions About ABS A131

  • What does ABS stand for?

    ANSWER:

    ABS stands for American Bureau of Shipping and indicates that the grade was certified by the Bureau.

  • What is the difference between ABS A/B and ABS AH36/DH36/EH36/FH36?

    ANSWER:

    ABS ordinary-strength steel comes in a various number of grades, including A, B, D, E and F. Each of these grades have different alloy chemical ingredients and fracture toughness. ABS AH36, DH36, EH36, and FH36 are all higher strength grades.

  • How strong are the superior-strength ABS steels?

    ANSWER:

    The ABS 32 grades, including AH32, DH32, and EH32, have a yield strength of 45,500 psi (315 MPa) and the 36 grades, including AH36, DH36, and EH36, have a yield strength of 51,000 psi (355 Mpa). The ultimate tensile strength of the 32 grades is 64,000 – 85,000 psi (440 – 590 MPa) and for the 36 grades it is 71,000 – 90,000 psi (490 – 620 MPa). In comparison, ABS A & B are defined as ordinary strength and have specified yield points of 34,000 psi (235 MPa) and ultimate tensile strengths of 36,000 – 71,000 psi (400 – 490 MPa). However, there are exceptions for greater thicknesses and certain sections.

  • What is the chemical composition of higher-strength ABS steels?

    ANSWER:

    All ordinary-strength ABS steel grades have different alloy chemical ingredients as well as a different fracture toughness.

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