Docol® Tube 980DP

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General Product Description

Docol® Tube 980 is advanced ultra-high-strength precision tube made from dual-phase steel. Available in circular, square and rectangular shapes, it comes either with cold rolled (uncoated) or galvanized surface. Customized shapes and other tailoring options are available upon request. Typical uses include automotive safety parts, where lightness and energy absorption are important.

Dimension Range

Docol Tube 980DP is available in circular, square and rectangular shapes.

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    Shapes Dimensions
    Circular (mmin) 28 - 601.1 - 2.4
    Square (mmin) 25x25 - 50x50
    Rectangular (mmin) 40x20 - 60x40
    Wall thickness (mmin) 1.0 - 2.00.039 - 0.079
    Mill length (mm) 6000
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      Shapes
      Circular (mmin)
      Dimensions
      28 - 601.1 - 2.4
      Shapes
      Square (mmin)
      Dimensions
      25x25 - 50x50
      Shapes
      Rectangular (mmin)
      Dimensions
      40x20 - 60x40
      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)
        281.1 0.666 0.825 0.980
        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 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
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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)
            25 x 25 0.715 0.886 1.05 1.38
            30 x 30 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
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              Rectangular Dimensions

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                Height x Width (mm) 1.25 mm (kg/m) 1.5 mm (kg/m) 2.0 mm (kg/m)
                40 x 20 1.10 1.30 1.68
                40 x 25 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 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
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                  Mechanical Properties

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                    Yield strength Rp0.2
                    (min MPa)
                    Tensile strength Rm
                    (min MPa)
                    Elongation A
                    (min %)
                    CR750Y980T-DP 750 980 5
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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 %)
                        CR750Y980T-DP 0.20 1.00 2.90 0.050 0.010 0.15 1.40 0.005 0.20
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                          Chemical composition meets the requirements of VDA 239-100.

                          Tolerances

                          Tolerance Circular

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                            Characteristic Circular precision tubes
                            Tolerances based on the requirements of EN 10305-3
                            Outside diameter (D) (1
                            D < 20 mm
                            20 ≤ D < 32 mm
                            32 ≤ D < 44 mm
                            44 ≤ D < 55 mm
                            55 ≤ D < 70 mm
                            70 ≤ D < 80 mm
                            80 ≤ D < 100 mm

                            ±0.12 mm
                            ±0.15 mm
                            ±0.20 mm
                            ±0.25 mm
                            ±0.30 mm
                            ±0.35 mm
                            ±0.40 mm
                            Out-of-roundness The diameter tolerances include the out-of-roundness
                            Thickness (T) T ≤ 1.5 mm: ±0.15 mm
                            T>1.5 mm: ±10% of nominal thickness or ±0.35 mm whichever is the smaller
                            Straightness Maximum 0.15% of measured length
                            Height of internal weld bead, g;
                            Bead removed
                            Bead not removed

                            g ≤ 0.3 mm
                            g < 1.0 mm, when T ≤ 1.5 mm
                            g < 0.8 x T, when 1.5 mm < T ≤ 2.0 mm
                            Mill length 0/+50 mm, standard length 6000 mm
                            Exact length, single cutting Agreed at the time of enquiry and order
                            Exact length, bundle cutting Agreed at the time of enquiry and order
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                              Characteristic
                              Outside diameter (D) (1
                              D < 20 mm
                              20 ≤ D < 32 mm
                              32 ≤ D < 44 mm
                              44 ≤ D < 55 mm
                              55 ≤ D < 70 mm
                              70 ≤ D < 80 mm
                              80 ≤ D < 100 mm
                              Circular precision tubes
                              Tolerances based on the requirements of EN 10305-3

                              ±0.12 mm
                              ±0.15 mm
                              ±0.20 mm
                              ±0.25 mm
                              ±0.30 mm
                              ±0.35 mm
                              ±0.40 mm
                              Characteristic
                              Out-of-roundness
                              Circular precision tubes
                              Tolerances based on the requirements of EN 10305-3
                              The diameter tolerances include the out-of-roundness
                              Characteristic
                              Thickness (T)
                              Circular precision tubes
                              Tolerances based on the requirements of EN 10305-3
                              T ≤ 1.5 mm: ±0.15 mm
                              T>1.5 mm: ±10% of nominal thickness or ±0.35 mm whichever is the smaller
                              Characteristic
                              Straightness
                              Circular precision tubes
                              Tolerances based on the requirements of EN 10305-3
                              Maximum 0.15% of measured length
                              Characteristic
                              Height of internal weld bead, g;
                              Bead removed
                              Bead not removed
                              Circular precision tubes
                              Tolerances based on the requirements of EN 10305-3

                              g ≤ 0.3 mm
                              g < 1.0 mm, when T ≤ 1.5 mm
                              g < 0.8 x T, when 1.5 mm < T ≤ 2.0 mm
                              Characteristic
                              Mill length
                              Circular precision tubes
                              Tolerances based on the requirements of EN 10305-3
                              0/+50 mm, standard length 6000 mm
                              Characteristic
                              Exact length, single cutting
                              Circular precision tubes
                              Tolerances based on the requirements of EN 10305-3
                              Agreed at the time of enquiry and order
                              Characteristic
                              Exact length, bundle cutting
                              Circular precision tubes
                              Tolerances based on the requirements of EN 10305-3
                              Agreed at the time of enquiry and order

                              1)For a maximum distance of 100 mm, the ends may, due to the cutting method, have diameters outside the tolerances.

                              Tolerance Square

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                                Characteristic Square precision tubes
                                Tolerances meet or exceed the requirements of EN 10305-5