Docol® Tube 780DP

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General Product Description

Docol®Tube 780DP is advance high-strength formable precision tube made from dual-phase steel with high tensile strength, improved formability or enhanced proofed yield strength. Available in circular, rectangular and square shapes, it comes with different coating and surface options including cold rolled (uncoated), galvanized, galvannealed and galfan. Customized shapes and other tailoring options are available upon request. Typically used in automotive industry where durability, formability and energy absorption are important.

Dimension Range

Docol Tube 780DP is available in circular, square and rectangular shapes.

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    Shapes Dimensions
    Circular (mmin) 16 - 760.63 - 3.0
    Square (mmin) 19x19 - 60x60
    Rectangular (mmin) 25x15 - 80x40
    Wall thickness (mmin) 1.0 - 2.00.039 - 0.079
    Mill length (mm) 6000
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      Shapes
      Circular (mmin)
      Dimensions
      16 - 760.63 - 3.0
      Shapes
      Square (mmin)
      Dimensions
      19x19 - 60x60
      Shapes
      Rectangular (mmin)
      Dimensions
      25x15 - 80x40
      Shapes
      Wall thickness (mmin)
      Dimensions
      1.0 - 2.00.039 - 0.079
      Shapes
      Mill length (mm)
      Dimensions
      6000

      Other shapes, sizes and lengths are available upon request.

      Circular Dimensions

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        Outer diameter (mmin) 1.0 mm (kg/m) 1.25 mm (kg/m) 1.5 mm (kg/m) 2.0 mm (kg/m)
        160.63 0.370 0.455 0.536
        180.71 0.419 0.516 0.610
        190.75 0.444 0.547 0.647
        200.79 0.469 0.578 0.684 0.888
        220.87 0.518 0.640 0.758 0.986
        250.98 0.592 0.732 0.869 1.13
        281.1 0.666 0.825 0.980 1.28
        301.2 0.715 0.886 1.05 1.38
        321.3 0.765 0.948 1.13 1.48
        351.4 0.838 1.04 1.24 1.63
        381.5 0.912 1.13 1.35 1.78
        401.6 0.962 1.20 1.42 1.87
        411.6 1.22 1.46 1.92
        44.51.75 1.32 1.57 2.07
        481.9 1.44 1.72 2.27
        502.0 1.79 2.37
        552.2 1.98 2.61
        572.2 2.05 2.71
        602.4 2.16 2.86
        76.13.00 2.76 3.65
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          Square Dimensions

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            Height x Width (mm) 1.0 mm (kg/m) 1.25 mm (kg/m) 1.5 mm (kg/m) 2.0 mm (kg/m)
            19 x 19 0.545 0.665
            20 x 20 0.576 0.704
            25 x 25 0.733 0.901 1.06 1.38
            30 x 30 0.890 1.10 1.30 1.68
            32 x 32 1.18 1.39 1.80
            35 x 35 1.29 1.53 1.99
            40 x 40 1.77 2.31
            50 x 50 2.24 2.93
            60 x 60 3.56
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              Rectangular Dimensions

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                Height x Width (mm) 1.0 mm (kg/m) 1.25 mm (kg/m) 1.5 mm (kg/m) 2.0 mm (kg/m)
                25 x 15 0.576 0.704
                30 x 10 0.576 0.704 0.826
                30 x 15 0.655 0.802
                30 x 20 0.733 0.901 1.06
                30 x 25 0.785 0.999 1.18 1.52
                35 x 15 0.733 0.901 1.06
                35 x 20 0.812 0.999 1.18 1.52
                40 x 20 0.890 1.10 1.30 1.68
                40 x 25 0.969 1.20 1.42 1.84
                40 x 30 1.29 1.53 1.99
                50 x 20 1.29 1.53 1.99
                50 x 25 1.39 1.65 2.15
                50 x 30 1.49 1.77 2.31
                50 x 40 1.69 2.00 2.62
                60 x 20 1.77 2.31
                60 x 30 2.00 2.62
                60 x 40 2.24 2.93
                70 x 25 2.12 2.78
                70 x 30 2.24 2.93
                70 x 50 3.56
                80 x 20 2.93
                80 x 40 3.56
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                  Mechanical Properties

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                    Yield strength Rp0.2
                    (min MPa)
                    Tensile strength Rm
                    (min MPa)
                    Elongation A
                    (min %)
                    CR600Y780T-DP 600 780 7
                    CR600Y780T-DH 600 780 12
                    CR700Y800T-DP 700 800 7
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                      Chemical Composition (ladle analysis)

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                        C
                        (max %)
                        Si
                        (max %)
                        Mn
                        (max %)
                        P
                        (max %)
                        S
                        (max %)
                        Nb+Ti
                        (max %)
                        Cr+Mo
                        (max %)
                        B
                        (max %)
                        Cu
                        (max %)
                        CR600Y780T-DP 0.18 0.80 2.50 0.050 0.010 0.15 1.40 0.005 0.20
                        CR600Y780T-DH 0.18 0.80 2.50 0.050 0.010 0.15 1.40 0.005 0.20
                        CR700Y800T-DP 0.18 0.80 2.50 0.050 0.010 0.15 1.40 0.005 0.20
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