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CSA 70A

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    General Product Description

    The Canadian Standards Association (CSA) specification G40.20/G40.21 covers structural quality steel of a number of different product forms. SSAB produces structural quality plates and sheet in accordance with CSA G40.20/G40.21 with specified minimum yield strengths of 38 ksi to 70 ksi. CSA 70A is an atmospheric corrosion-resistant weldable steel with a specified minimum yield strength of 70 ksi for thicknesses up to 2.5 in.

    Dimension Range

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      Grade Thickness
      (inmm)      		 Width
      (inmm)      		 Length
      (inmm)
      70A 0.750 - 1.24919.0 - 31.72 72 - 1201800 - 3050 240 - 11766100 - 29870
      70A 1.250 - 2.0031.75 - 50.8 72 - 1201800 - 3050 240 - 11046100 - 28040
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        Width: Please inquire for plate widths less than 72 in. and over 120 in.

        Length: Please inquire for plate lengths greater than the listed maxima. Plate length may be limited by maximum individual plate weight of 66,000 lbs.

        Mechanical Properties

        Tensile testing is performed in the tranverse direction. The required tensile properties are tabulated below:

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          Grade Thickness
          (inmm)          		 Yield strength 1)
          (min ksi)          		 Tensile strength 2)
          (ksi)          		 Elongation in 2" 2)
          (min %)          		 Elongation in 8"
          (min %)
          70A 0.750 - 2.0019.0 - 50.8 70 85 - 115 14 12
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          Comparison

            1) Yield strength measured as 0.2% offset or 0.5% extension under load.

            2) See elongation requirement adjustment of CSA G40.20-13 (Latest edition).