LR AH/DH/EH 32

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    General Product Description

    Lloyd’s Register Grades AH32, DH32 and EH32 are higher-strength structural steels with a specified minimum yield strength of 46 ksi and specified minimum Charpy V-notch impact toughness properties.

    Applications

    Typical applications include ships and other structural applications.

    Available Dimensions

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      Grade Product type Thickness
      (inchesmm)
      Width
      (inchesmm)
      Length
      (inchesmm)
      Grade AH32 Plate 0.1875 - 1.504.762 - 38.1 72 - 1201800 - 3050 240 - 10206100 - 25910
      Grade DH32 Plate 0.1875 - 1.504.762 - 38.1 72 - 1201800 - 3050 240 - 10206100 - 25910
      Grade EH32 Plate 0.1875 - 2.364.762 - 59.9 60 - 131.91500 - 3350 73 - 5901900 - 15000
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        Width: Please inquire for plate widths less than 72 in. and inquire plate product over 120 in.

        Length: Please inquire for plate lengths outside the noted ranges.

        Thickness: Please inquire for plate thicknesses outside the noted ranges.

        Mechanical Properties

        Tensile testing is performed in the transverse direction.

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          Grade Product type Thickness
          (inchesmm)
          Yield strength
          (min ksi)
          Tensile strength
          (ksi)
          Elongation A5 1)
          (min %)
          Grade AH32 Plate 0.1875 - 1.504.762 - 38.1 46 64 - 83 22
          Grade DH32 Plate 0.1875 - 1.504.762 - 38.1 46 64 - 83 22
          Grade EH32 Plate 0.1875 - 2.364.762 - 59.9 46 64 - 83 22
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            1) See Lloyd’s Register Rules for elongation requirements for alternative tensile specimens.

            Impact Properties

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              Grade Thickness
              (inchesmm)
              Test temperature
              (°F)
              Min Longitudinal Average Energy 1)
              (ft-lbs)
              Min transverse average energy 1)
              (ft-lbs)
              Grade AH32 0.1875 - 1.504.762 - 38.1 32 23 16
              Grade DH32 0.1875 - 1.504.762 - 38.1 -4 23 16
              Grade EH32 0.1875 - 1.974.762 - 50.0 -40 23 16
              Grade EH32 1.98 - 2.3650.3 - 59.9 -40 28 19
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                1) Tests are to be taken in the longitudinal direction. Normally, transverse test specimens are not required unless otherwise specified in the order. Generally, impact tests are not required when material thickness is less than 0.236 in.

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

                Minimum average energy for full-size specimens. Refer to Lloyd’s Register Rules for sub-size specimen energy requirements.

                Carbon Equivalent CET(CEV)

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                  Grade AH32 DH32 EH32 EH32
                  Thickness (inchesmm) 0.1875 - 1.504.762 - 38.1 0.1875 - 1.504.762 - 38.1 0.1875 - 1.974.762 - 50.0 1.98 - 2.3650.3 - 59.9
                  CEV 1) (max %) 0.36 0.36 0.36 0.38
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                    1) Carbon equivalent requirements for TMCP condition of supply only.