Alloy Steel Rectangle Bar

-155 Products

We carry Alloy Steel Rectangle/Flat Bar in 4142 Prehardened (Chromoly) and 4340. Alloy steel rectangle/flat bar stock is available in full size and custom cut lengths.

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ALLOY

0.0625" x 0.5" Alloy Steel Rectangle Bar 4142-Prehardened - 
Part #: 19125

0.0625" x 0.5" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19125

Click for more details

Dimensions

  • Thickness: 0.0625"
  • Width: 0.5"
    See all available dimensions for this product
    Select a Cut Size for Price
    • 18.0" - $20.87 ea.
    • 36.0" - $36.33 ea. 

    QTY

    $20.87 ea.

    $20.87 for 1

    0.125" x 0.5" Alloy Steel Rectangle Bar 4142-Prehardened - 
    Part #: 19127

    0.125" x 0.5" Alloy Steel Rectangle Bar 4142-Prehardened -
    Part #: 19127

    Click for more details

    Dimensions

    • Thickness: 0.125"
    • Width: 0.5"
      See all available dimensions for this product
      Select a Cut Size for Price
      • 18.0" - $21.80 ea.
      • 36.0" - $37.91 ea. 
      • 72.0" - $80.36 ea. Best shipping value

      QTY

      $21.80 ea.

      $21.80 for 1

      0.09375" x 0.5" Alloy Steel Rectangle Bar 4142-Prehardened - 
      Part #: 19126

      0.09375" x 0.5" Alloy Steel Rectangle Bar 4142-Prehardened -
      Part #: 19126

      Click for more details

      Dimensions

      • Thickness: 0.09375"
      • Width: 0.5"
        See all available dimensions for this product
        Select a Cut Size for Price
        • 18.0" - $23.96 ea.
        • 36.0" - $41.64 ea. 

        QTY

        $23.96 ea.

        $23.96 for 1

        0.125" x 0.625" Alloy Steel Rectangle Bar 4142-Prehardened - 
        Part #: 19132

        0.125" x 0.625" Alloy Steel Rectangle Bar 4142-Prehardened -
        Part #: 19132

        Click for more details

        Dimensions

        • Thickness: 0.125"
        • Width: 0.625"
          See all available dimensions for this product
          Select a Cut Size for Price
          • 18.0" - $24.94 ea.
          • 36.0" - $43.37 ea. 

          QTY

          $24.94 ea.

          $24.94 for 1

          0.125" x 0.75" Alloy Steel Rectangle Bar 4142-Prehardened - 
          Part #: 19140

          0.125" x 0.75" Alloy Steel Rectangle Bar 4142-Prehardened -
          Part #: 19140

          Click for more details

          Dimensions

          • Thickness: 0.125"
          • Width: 0.75"
            See all available dimensions for this product
            Select a Cut Size for Price
            • 18.0" - $26.21 ea.
            • 36.0" - $45.58 ea. 
            • 72.0" - $88.18 ea. Best shipping value

            QTY

            $26.21 ea.

            $26.21 for 1

            0.0625" x 0.75" Alloy Steel Rectangle Bar 4142-Prehardened - 
            Part #: 19138

            0.0625" x 0.75" Alloy Steel Rectangle Bar 4142-Prehardened -
            Part #: 19138

            Click for more details

            Dimensions

            • Thickness: 0.0625"
            • Width: 0.75"
              See all available dimensions for this product
              Select a Cut Size for Price
              • 18.0" - $26.38 ea.
              • 36.0" - $45.85 ea. 

              QTY

              $26.38 ea.

              $26.38 for 1

              0.1875" x 0.5" Alloy Steel Rectangle Bar 4142-Prehardened - 
              Part #: 19128

              0.1875" x 0.5" Alloy Steel Rectangle Bar 4142-Prehardened -
              Part #: 19128

              Click for more details

              Dimensions

              • Thickness: 0.1875"
              • Width: 0.5"
                See all available dimensions for this product
                Select a Cut Size for Price
                • 18.0" - $28.30 ea.
                • 36.0" - $49.18 ea. 
                • 72.0" - $95.22 ea. Best shipping value

                QTY

                $28.30 ea.

                $28.30 for 1

                0.25" x 0.5" Alloy Steel Rectangle Bar 4142-Prehardened - 
                Part #: 19129

                0.25" x 0.5" Alloy Steel Rectangle Bar 4142-Prehardened -
                Part #: 19129

                Click for more details

                Dimensions

                • Thickness: 0.25"
                • Width: 0.5"
                  See all available dimensions for this product
                  Select a Cut Size for Price
                  • 18.0" - $28.30 ea.
                  • 36.0" - $49.16 ea. 
                  • 72.0" - $95.19 ea. Best shipping value

                  QTY

                  $28.30 ea.

                  $28.30 for 1

                  0.25" x 0.75" Alloy Steel Rectangle Bar 4142-Prehardened - 
                  Part #: 19142

                  0.25" x 0.75" Alloy Steel Rectangle Bar 4142-Prehardened -
                  Part #: 19142

                  Click for more details

                  Dimensions

                  • Thickness: 0.25"
                  • Width: 0.75"
                    See all available dimensions for this product
                    Select a Cut Size for Price
                    • 18.0" - $28.67 ea.
                    • 36.0" - $49.84 ea. 
                    • 72.0" - $102.34 ea. Best shipping value

                    QTY

                    $28.67 ea.

                    $28.67 for 1

                    0.25" x 0.625" Alloy Steel Rectangle Bar 4142-Prehardened - 
                    Part #: 19134

                    0.25" x 0.625" Alloy Steel Rectangle Bar 4142-Prehardened -
                    Part #: 19134

                    Click for more details

                    Dimensions

                    • Thickness: 0.25"
                    • Width: 0.625"
                      See all available dimensions for this product
                      Select a Cut Size for Price
                      • 18.0" - $29.27 ea.
                      • 36.0" - $50.89 ea. 

                      QTY

                      $29.27 ea.

                      $29.27 for 1

                      0.1875" x 0.75" Alloy Steel Rectangle Bar 4142-Prehardened - 
                      Part #: 19141

                      0.1875" x 0.75" Alloy Steel Rectangle Bar 4142-Prehardened -
                      Part #: 19141

                      Click for more details

                      Dimensions

                      • Thickness: 0.1875"
                      • Width: 0.75"
                        See all available dimensions for this product
                        Select a Cut Size for Price
                        • 18.0" - $29.27 ea.
                        • 36.0" - $50.89 ea. 
                        • 72.0" - $104.51 ea. Best shipping value

                        QTY

                        $29.27 ea.

                        $29.27 for 1

                        0.09375" x 0.75" Alloy Steel Rectangle Bar 4142-Prehardened - 
                        Part #: 19139

                        0.09375" x 0.75" Alloy Steel Rectangle Bar 4142-Prehardened -
                        Part #: 19139

                        Click for more details

                        Dimensions

                        • Thickness: 0.09375"
                        • Width: 0.75"
                          See all available dimensions for this product
                          Select a Cut Size for Price
                          • 18.0" - $29.71 ea.
                          • 36.0" - $51.62 ea. 

                          QTY

                          $29.71 ea.

                          $29.71 for 1

                          0.1875" x 0.625" Alloy Steel Rectangle Bar 4142-Prehardened - 
                          Part #: 19133

                          0.1875" x 0.625" Alloy Steel Rectangle Bar 4142-Prehardened -
                          Part #: 19133

                          Click for more details

                          Dimensions

                          • Thickness: 0.1875"
                          • Width: 0.625"
                            See all available dimensions for this product
                            Select a Cut Size for Price
                            • 18.0" - $29.95 ea.
                            • 36.0" - $52.08 ea. 

                            QTY

                            $29.95 ea.

                            $29.95 for 1

                            0.25" x 0.375" Alloy Steel Rectangle Bar 4142-Prehardened - 
                            Part #: 19123

                            0.25" x 0.375" Alloy Steel Rectangle Bar 4142-Prehardened -
                            Part #: 19123

                            Click for more details

                            Dimensions

                            • Thickness: 0.25"
                            • Width: 0.375"
                              See all available dimensions for this product
                              Select a Cut Size for Price
                              • 18.0" - $30.68 ea.
                              • 36.0" - $53.34 ea. 

                              QTY

                              $30.68 ea.

                              $30.68 for 1

                              0.125" x 1" Alloy Steel Rectangle Bar 4142-Prehardened - 
                              Part #: 19149

                              0.125" x 1" Alloy Steel Rectangle Bar 4142-Prehardened -
                              Part #: 19149

                              Click for more details

                              Dimensions

                              • Thickness: 0.125"
                              • Width: 1.0"
                                See all available dimensions for this product
                                Select a Cut Size for Price
                                • 18.0" - $31.24 ea.
                                • 36.0" - $54.36 ea. 
                                • 72.0" - $111.56 ea. Best shipping value

                                QTY

                                $31.24 ea.

                                $31.24 for 1

                                0.5" x 1" Alloy Steel Rectangle Bar 4340 Cold Drawn - 
                                Part #: 25674

                                0.5" x 1" Alloy Steel Rectangle Bar 4340 Cold Drawn -
                                Part #: 25674

                                Click for more details

                                Dimensions

                                • Thickness: 0.5
                                • Width: 1.0
                                  See all available dimensions for this product
                                  Select a Cut Size for Price
                                  • 12.0" - $31.45 ea.
                                  • 24.0" - $61.64 ea. 
                                  • 36.0" - $90.58 ea. 
                                  • 48.0" - $118.25 ea. 
                                  • 60.0" - $144.67 ea. 
                                  • 72.0" - $169.83 ea. Best shipping value
                                  • 84.0" - $193.73 ea. 
                                  • 96.0" - $216.38 ea. UPS surcharge applies
                                  • 144.0" - $317.02 ea. 

                                  QTY

                                  $31.45 ea.

                                  $31.45 for 1

                                  0.3125" x 0.5" Alloy Steel Rectangle Bar 4142-Prehardened - 
                                  Part #: 19130

                                  0.3125" x 0.5" Alloy Steel Rectangle Bar 4142-Prehardened -
                                  Part #: 19130

                                  Click for more details

                                  Dimensions

                                  • Thickness: 0.3125"
                                  • Width: 0.5"
                                    See all available dimensions for this product
                                    Select a Cut Size for Price
                                    • 18.0" - $31.68 ea.
                                    • 36.0" - $55.10 ea. 
                                    • 72.0" - $106.62 ea. Best shipping value

                                    QTY

                                    $31.68 ea.

                                    $31.68 for 1

                                    0.0625" x 1" Alloy Steel Rectangle Bar 4142-Prehardened - 
                                    Part #: 19147

                                    0.0625" x 1" Alloy Steel Rectangle Bar 4142-Prehardened -
                                    Part #: 19147

                                    Click for more details

                                    Dimensions

                                    • Thickness: 0.0625"
                                    • Width: 1.0"
                                      See all available dimensions for this product
                                      Select a Cut Size for Price
                                      • 18.0" - $31.82 ea.
                                      • 36.0" - $55.32 ea. 

                                      QTY

                                      $31.82 ea.

                                      $31.82 for 1

                                      0.125" x 0.375" Alloy Steel Rectangle Bar 4142-Prehardened - 
                                      Part #: 19121

                                      0.125" x 0.375" Alloy Steel Rectangle Bar 4142-Prehardened -
                                      Part #: 19121

                                      Click for more details

                                      Dimensions

                                      • Thickness: 0.125"
                                      • Width: 0.375"
                                        See all available dimensions for this product
                                        Select a Cut Size for Price
                                        • 18.0" - $32.12 ea.
                                        • 36.0" - $55.87 ea. 

                                        QTY

                                        $32.12 ea.

                                        $32.12 for 1

                                        0.3125" x 0.625" Alloy Steel Rectangle Bar 4142-Prehardened - 
                                        Part #: 19135

                                        0.3125" x 0.625" Alloy Steel Rectangle Bar 4142-Prehardened -
                                        Part #: 19135

                                        Click for more details

                                        Dimensions

                                        • Thickness: 0.3125"
                                        • Width: 0.625"
                                          See all available dimensions for this product
                                          Select a Cut Size for Price
                                          • 18.0" - $33.90 ea.
                                          • 36.0" - $58.97 ea. 

                                          QTY

                                          $33.90 ea.

                                          $33.90 for 1

                                          0.3125" x 0.75" Alloy Steel Rectangle Bar 4142-Prehardened - 
                                          Part #: 19143

                                          0.3125" x 0.75" Alloy Steel Rectangle Bar 4142-Prehardened -
                                          Part #: 19143

                                          Click for more details

                                          Dimensions

                                          • Thickness: 0.3125"
                                          • Width: 0.75"
                                            See all available dimensions for this product
                                            Select a Cut Size for Price
                                            • 18.0" - $34.23 ea.
                                            • 36.0" - $59.55 ea. 
                                            • 72.0" - $122.28 ea. Best shipping value

                                            QTY

                                            $34.23 ea.

                                            $34.23 for 1

                                            0.25" x 2" Alloy Steel Rectangle Bar 4340 Cold Drawn - 
                                            Part #: 25678

                                            0.25" x 2" Alloy Steel Rectangle Bar 4340 Cold Drawn -
                                            Part #: 25678

                                            Click for more details

                                            Dimensions

                                            • Thickness: 0.25
                                            • Width: 2.0
                                              See all available dimensions for this product
                                              Select a Cut Size for Price
                                              • 12.0" - $34.43 ea.
                                              • 24.0" - $67.47 ea. 
                                              • 36.0" - $99.14 ea. 
                                              • 48.0" - $129.44 ea. 
                                              • 60.0" - $158.36 ea. 
                                              • 72.0" - $185.90 ea. Best shipping value
                                              • 84.0" - $212.06 ea. 
                                              • 96.0" - $236.84 ea. UPS surcharge applies
                                              • 144.0" - $347.00 ea. 

                                              QTY

                                              $34.43 ea.

                                              $34.43 for 1

                                              0.25" x 1" Alloy Steel Rectangle Bar 4142-Prehardened - 
                                              Part #: 19151

                                              0.25" x 1" Alloy Steel Rectangle Bar 4142-Prehardened -
                                              Part #: 19151

                                              Click for more details

                                              Dimensions

                                              • Thickness: 0.25"
                                              • Width: 1.0"
                                                See all available dimensions for this product
                                                Select a Cut Size for Price
                                                • 18.0" - $34.50 ea.
                                                • 36.0" - $59.96 ea. 
                                                • 72.0" - $123.14 ea. Best shipping value

                                                QTY

                                                $34.50 ea.

                                                $34.50 for 1

                                                0.375" x 0.5" Alloy Steel Rectangle Bar 4142-Prehardened - 
                                                Part #: 19131

                                                0.375" x 0.5" Alloy Steel Rectangle Bar 4142-Prehardened -
                                                Part #: 19131

                                                Click for more details

                                                Dimensions

                                                • Thickness: 0.375"
                                                • Width: 0.5"
                                                  See all available dimensions for this product
                                                  Select a Cut Size for Price
                                                  • 18.0" - $34.84 ea.
                                                  • 36.0" - $60.57 ea. 
                                                  • 72.0" - $117.24 ea. Best shipping value

                                                  QTY

                                                  $34.84 ea.

                                                  $34.84 for 1

                                                  0.125" x 1.25" Alloy Steel Rectangle Bar 4142-Prehardened - 
                                                  Part #: 19157

                                                  0.125" x 1.25" Alloy Steel Rectangle Bar 4142-Prehardened -
                                                  Part #: 19157

                                                  Click for more details

                                                  Dimensions

                                                  • Thickness: 0.125"
                                                  • Width: 1.25"
                                                    See all available dimensions for this product
                                                    Select a Cut Size for Price
                                                    • 18.0" - $34.96 ea.
                                                    • 36.0" - $60.79 ea. 
                                                    • 72.0" - $124.80 ea. Best shipping value

                                                    QTY

                                                    $34.96 ea.

                                                    $34.96 for 1

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