Alloy Steel Round Bar 4340

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Alloy Steel 4340 Product Guide | Alloy Steel Tolerance Table

Alloy Steel 4340 Round Bar is normally used for aerospace, heavy-duty industrial, and automotive applications. 4340 steel stock has high strength, toughness, wear resistance, and fatigue strength. It can be machined in all states other than hardened and it is easily welded. 4340 round bar/rod stock is available in full size and custom cut lengths.

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ALLOY

2.375" Alloy Steel Round Bar 4340-Normalized Rough Turned - 
Part #: 7402

2.375" Alloy Steel Round Bar 4340-Normalized Rough Turned -
Part #: 7402

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Dimensions

  • Diameter: 2.375"
    See all available dimensions for this product
    Select a Cut Size for Price
    • 12.0" - $97.44 ea.
    • 24.0" - $168.03 ea. 
    • 36.0" - $233.71 ea. 
    • 48.0" - $244.11 ea. 
    • 60.0" - $290.77 ea. 
    • 72.0" - $338.13 ea. Best shipping value
    • 84.0" - $384.48 ea. 
    • 96.0" - $427.90 ea. 
    • 144.0" - $641.81 ea. 
    Create Custom Cut

    QTY

    $97.44 ea.

    $97.44 for 1

    2.75" Alloy Steel Round Bar 4340-Normalized Rough Turned - 
    Part #: 7405

    2.75" Alloy Steel Round Bar 4340-Normalized Rough Turned -
    Part #: 7405

    Click for more details

    Dimensions

    • Diameter: 2.75"
      See all available dimensions for this product
      Select a Cut Size for Price
      • 12.0" - $110.02 ea.
      • 24.0" - $203.56 ea. 
      • 36.0" - $256.93 ea. 
      • 48.0" - $302.27 ea. 
      • 60.0" - $365.26 ea. 
      • 72.0" - $426.22 ea. Best shipping value
      • 84.0" - $472.58 ea. 
      • 96.0" - $540.09 ea. 
      • 144.0" - $723.05 ea. 
      Create Custom Cut

      QTY

      $110.02 ea.

      $110.02 for 1

      2.5" Alloy Steel Round Bar 4340-Normalized Rough Turned - 
      Part #: 7403

      2.5" Alloy Steel Round Bar 4340-Normalized Rough Turned -
      Part #: 7403

      Click for more details

      Dimensions

      • Diameter: 2.5"
        See all available dimensions for this product
        Select a Cut Size for Price
        • 12.0" - $135.57 ea.
        • 24.0" - $247.88 ea. 
        • 36.0" - $348.58 ea. 
        • 48.0" - $413.13 ea. 
        • 60.0" - $490.61 ea. 
        • 72.0" - $573.23 ea. Best shipping value
        • 84.0" - $650.68 ea. 
        • 96.0" - $723.00 ea. 
        • 144.0" - $929.55 ea. 
        Create Custom Cut

        QTY

        $135.57 ea.

        $135.57 for 1

        3.5" Alloy Steel Round Bar 4340-Annealed Hot Rolled - 
        Part #: 25270

        3.5" Alloy Steel Round Bar 4340-Annealed Hot Rolled -
        Part #: 25270

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        Dimensions

        • Diameter: 3.5"
          See all available dimensions for this product
          Select a Cut Size for Price
          • 12.0" - $289.88 ea.
          • 24.0" - $556.58 ea. 
          • 36.0" - $782.69 ea. 
          • 48.0" - $927.63 ea. 
          • 60.0" - $1,069.47 ea. 
          • 72.0" - $1,249.60 ea. Best shipping value
          • 84.0" - $1,418.45 ea. 
          • 96.0" - $1,530.16 ea. 
          • 144.0" - $2,026.36 ea. 
          Create Custom Cut

          QTY

          $289.88 ea.

          $289.88 for 1

          3.5" Alloy Steel Round Bar 4340-Normalized Rough Turned - 
          Part #: 7408

          3.5" Alloy Steel Round Bar 4340-Normalized Rough Turned -
          Part #: 7408

          Click for more details

          Dimensions

          • Diameter: 3.5"
            See all available dimensions for this product
            Select a Cut Size for Price
            • 12.0" - $298.84 ea.
            • 24.0" - $573.79 ea. 
            • 36.0" - $806.89 ea. 
            • 48.0" - $956.31 ea. 
            • 144.0" - $2,089.04 ea. 
            Create Custom Cut

            QTY

            $298.84 ea.

            $298.84 for 1

            3" Alloy Steel Round Bar 4340-Normalized Rough Turned - 
            Part #: 7406

            3" Alloy Steel Round Bar 4340-Normalized Rough Turned -
            Part #: 7406

            Click for more details

            Dimensions

            • Diameter: 3"
              See all available dimensions for this product
              Select a Cut Size for Price
              • 12.0" - $335.96 ea.
              • 24.0" - $645.03 ea. 
              • 36.0" - $907.07 ea. 
              • 48.0" - $1,075.04 ea. 
              • 60.0" - $1,239.43 ea. 
              • 144.0" - $2,348.38 ea. 
              Create Custom Cut

              QTY

              $335.96 ea.

              $335.96 for 1

              4" Alloy Steel Round Bar 4340-Normalized Rough Turned - 
              Part #: 7410

              4" Alloy Steel Round Bar 4340-Normalized Rough Turned -
              Part #: 7410

              Click for more details

              Dimensions

              • Diameter: 4"
                See all available dimensions for this product
                Select a Cut Size for Price
                • 12.0" - $367.10 ea.
                • 24.0" - $704.83 ea. 
                • 36.0" - $991.17 ea. 
                • 144.0" - $2,566.13 ea. 
                Create Custom Cut

                QTY

                $367.10 ea.

                $367.10 for 1

                6" Alloy Steel Round Bar 4340-Annealed Hot Rolled Rough Turned - 
                Part #: 7417

                6" Alloy Steel Round Bar 4340-Annealed Hot Rolled Rough Turned -
                Part #: 7417

                Click for more details

                Dimensions

                • Diameter: 6"
                  See all available dimensions for this product
                  Select a Cut Size for Price
                  • 12.0" - $488.00 ea.
                  • 144.0" - $3,977.06 ea. 
                  Create Custom Cut

                  QTY

                  $488.00 ea.

                  $488.00 for 1

                  5.75" Alloy Steel Round Bar 4340-Normalized Rough Turned - 
                  Part #: 7416

                  5.75" Alloy Steel Round Bar 4340-Normalized Rough Turned -
                  Part #: 7416

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                  Dimensions

                  • Diameter: 5.75"
                    See all available dimensions for this product
                    Select a Cut Size for Price
                    • 12.0" - $758.56 ea.
                    • 144.0" - $5,302.56 ea. 
                    Create Custom Cut

                    QTY

                    $758.56 ea.

                    $758.56 for 1

                    5" Alloy Steel Round Bar 4340-Normalized Rough Turned - 
                    Part #: 7413

                    5" Alloy Steel Round Bar 4340-Normalized Rough Turned -
                    Part #: 7413

                    Click for more details

                    Dimensions

                    • Diameter: 5"
                      See all available dimensions for this product
                      Select a Cut Size for Price
                      • 12.0" - $803.08 ea.
                      • 24.0" - $1,497.00 ea. 
                      • 144.0" - $5,613.73 ea. 
                      Create Custom Cut

                      QTY

                      $803.08 ea.

                      $803.08 for 1

                      4.5" Alloy Steel Round Bar 4340-Normalized Rough Turned - 
                      Part #: 7411

                      4.5" Alloy Steel Round Bar 4340-Normalized Rough Turned -
                      Part #: 7411

                      Click for more details

                      Dimensions

                      • Diameter: 4.5"
                        See all available dimensions for this product
                        Select a Cut Size for Price
                        • 12.0" - $1,099.10 ea.
                        • 24.0" - $2,110.26 ea. 
                        • 144.0" - $7,913.47 ea. 
                        Create Custom Cut

                        QTY

                        $1,099.10 ea.

                        $1,099.10 for 1
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