NV A/D/E 500

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    General Product Description

    DNV Grades NV A500, NV D500 and NV E500 are extra-high-strength structural steels with a minimum specified yield strength of 73 ksi and specified minimum Charpy V-notch impact toughness properties.

    Applications

    Typical applications include shipbuilding and mobile offshore drilling units and structures.

    Available Dimensions

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      Grade Product type Thickness
      (in)
      Width
      (in)
      Length
      (in)
      NV A500 Plate 0.3937 - 1.574 75 - 129.9 79 - 906
      NV D500 Plate 0.3937 - 1.574 75 - 129.9 79 - 906
      NV E500 Plate 0.3937 - 1.574 75 - 129.9 79 - 906
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        Width: Please inquire for plate widths less than 75 in. and inquire plate product over 129,9 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 Thickness
          (in)
          Yield strength
          (min ksi)
          Tensile strength
          (ksi)
          Elongation A5 1)
          (min %)
          NV D460 0.3937 - 1.574 73 89 - 111 16
          NV D500 0.3937 - 1.574 73 89 - 111 16
          NV E500 0.3937 - 1.574 73 89 - 111 16
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            1) See DNV 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)
              NV A500 0.3937 - 1.574 32 24
              NV D500 0.3937 - 1.574 -4 24
              NV E500 0.3937 - 1.574 -40 24
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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. Impact tests not required when material thickness is less than 0.236 in. unless otherwise specified.

                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 DNV Rules for sub-size specimen energy requirements.