ABS Grade AH36, DH36, EH36 Z25

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General Product Description

ABS Grades AH36, DH36, and EH36 Z25 are "Z" quality, higher-strength structural steels with a minimum specified yield strength of 51 ksi and specified minimum Charpy V-notch impact toughness properties. The Z25 quality steel has a minimum specified average value for reduction of area in through thickness tensile testing of 25%.

Applications

Typical applications include shipbuilding and mobile offshore drilling units and structural details for which greater resistance to lamellar tearing is desired

Available Dimensions

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    Grade Product type Thickness
    (in)
    Width 1)
    (in)
    Length 1)
    (in)
    Grade AH36Z25 Plate 0.1875 - 5.90 72 - 129.9 79 - 590
    Grade DH36Z25 Plate 0.1875 - 5.90 72 - 129.9 79 - 590
    Grade EH36Z25 Plate 0.1875 - 5.90 72 - 129.9 79 - 590
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      1) Please inquire for plate dimensions outside the noted range.

      Mechanical Properties

      Tensile testing is performed in the transverse direction. When "Z" quality steel is specified, through-thickness tension testing is performed in accordance with ABS Rules.

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        Grade Thickness
        (in)
        Yield strength
        (min ksi)
        Tensile strength
        (ksi)
        Elongation A5 1)
        (min %)
        Reduction of area, average
        (min %)
        Reduction of area
        (min %)
        Grade AH36Z25 0.1875 - 5.90 51 71 - 90 22 25 15
        Grade DH36Z25 0.1875 - 5.90 51 71 - 90 22 25 15
        Grade EH36Z25 0.1875 - 5.90 51 71 - 90 22 25 15
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          1) See ABS Rules for elongation requirements for alternative tensile specimens.

          Impact Properties

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            Grade Thickness
            (in)
            Test temperature
            (°F)
            Min Longitudinal Average Energy 1)
            (ft-lbs)
            Min transverse average energy 1)
            (ft-lbs)
            AH36Z25 0.1875 - 2.00 32 25 17
            AH36Z25 2.001 - 2.80 32 30 20
            AH36Z25 2.801 - 4.00 32 37 25
            AH36Z25 4.001 - 5.90 32 37 25
            DH36Z25 0.1875 - 2.00 -4 25 17
            DH36Z25 2.001 - 2.80 -4 30 20
            DH36Z25 2.801 - 4.00 -4 37 25
            DH36Z25 4.001 - 5.90 -4 37 25
            EH36Z25 0.1875 - 2.00 -40 25 17
            EH36Z25 2.001 - 2.80 -40 30 20
            EH36Z25 2.801 - 4.00 -40 37 25
            EH36Z25 4.001 - 5.90 -40 37 25
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              1) Specimen orientation at the option of the manufacturer unless otherwise specified in the order.

              No more than one value below the specified miniminum average energy but no less than 70% of the specfied minimum average energy value.

              Minimum average energy for full-size specimens. Refer to ABS Rules for sub-size specimen energy requirements.

              Carbon Equivalent

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                Grade AH36 DH36 EH36
                Thickness (in) 0.1875 - 1.57 0.1875 - 1.57 0.1875 - 1.57
                CEV 1) (max %) 0.38 0.38 0.38
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                  1) Carbon equivalent requirements for TMCP condition of supply only.