ASTM A387 ASTM A387 Grade 22

ASTM A387 Grade 22

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    General Product Description

    The ASTM A387 specification is the Standard Specification for Pressure Vessel Plates, Alloy Steel, Chromium-Molybdenum intended primarily for use in welded boilers and pressure vessels designed for elevated temperature service. SSAB can supply A387 Grade 22 to the tension test requirements for Class 1 and/or Class 2.

    Dimension Range

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      Grade Product type Thickness
      (in)      		 Width
      (in)      		 Length
      (in)
      Grade 22 Plate 0.185 - 3.60 60 - 131.9 73 - 590
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      Comparison

        Width: Inquire for widths and lengths 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 in 2" 1)
          (min %)          		 Reduction of area 2)
          (min %)
          Grade 22 Class 1 0.185 - 3.60 30 60 - 85 18 40
          Grade 22 Class 2 0.185 - 3.60 45 75 - 100 18 40
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          Comparison

            1) Refer to ASTM A20/A20M for Elongation adjustments based on plate thickness.

            2) Measured on a flat specimen.