Strenx® Tube 960QLH

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    General Product Description

    Strenx® Tube 960QLH is plasma-welded, quenched and tempered hollow section with a minimum yield strength of 960 MPa.

    Its high strength, combined with naturally stiff form of the welded hollow section, enables construction of stronger and lighter structures. Strenx® Tube 960QLH meets or exceeds the requirements of prEN 10210 (2016).

    Typical applications are load-bearing lattice structures in the lifting, material handling and transportation sectors, especially in conditions where extremely good toughness is needed. 

    Dimension Range

    Strenx® Tube 960QLH is available at circular shape.

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      Shapes Circular
      Circular (mm) 76.1 - 133.0
      Wall thickness (mm) 3.0 - 6.0
      Mill length (mm) 6000 - 12000
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        Shapes
        Circular (mm)
        Circular
        76.1 - 133.0
        Shapes
        Wall thickness (mm)
        Circular
        3.0 - 6.0
        Shapes
        Mill length (mm)
        Circular
        6000 - 12000

        Circular Dimensions

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          Outer diameter (mm) 3.0 mm (kg/m) 4.0 mm (kg/m) 5.0 mm (kg/m) 6.0 mm (kg/m)
          76.1 5.41 7.11 8.77 10.4
          85.0 6.07 7.99 8.77 11.69
          88.9 6.36 8.38 10.4 12.3
          101.6 7.29 9.63 11.9 14.2
          108.0 7.77 10.3 12.7 15.1
          114.3 8.23 10.9 13.5 16.0
          121.0 8.73 11.5 14.3 17.0
          133.0 9.62 12.7 15.8 18.8
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            Mechanical Properties

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              Yield strength Rp0.2
              (min MPa)
              Tensile strength Rm
              (MPa)
              Elongation A5
              (min %)
              Strenx® Tube 960QLH 960 980 - 1150 10
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                Mechanical properties meet the requirements of prEN 10210 (2016).

                Impact Properties

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                  Diameter (mm) Min impact energy for transversal testing,
                  Charpy V 10x10 mm test specimen 1)
                  76.1 - 133.0 40 J / -40 °C
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                    Diameter (mm)
                    76.1 - 133.0
                    Min impact energy for transversal testing,
                    Charpy V 10x10 mm test specimen 1)
                    40 J / -40 °C

                    1) Impact testing according to EN ISO 148-1 is performed on thicknesses ≥ 6 mm. The specified minimum value corresponds to a full-size specimen.

                    Chemical Composition (ladle analysis)

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                      C
                      (max %)
                      Si
                      (max %)
                      Mn
                      (max %)
                      P
                      (max %)
                      S
                      (max %)
                      Cr
                      (max %)
                      Ni
                      (max %)
                      Mo
                      (max %)
                      B
                      (max %)
                      0.20 0.60 1.60 0.020 0.010 0.80 0.20 0.70 0.005
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                        In addition, boron (B), molybdenum (Mo), nickel (Ni) or copper (Cu) may be used as alloying elements either singly or in combination.

                        The steel is grain refined. 

                        Carbon Equivalent CET(CEV)

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                          Wall Thickness (mm) 3.0 - 6.0
                          Typ CET(CEV) 0.36 (0.54)
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                            Wall Thickness (mm)
                            Typ CET(CEV)
                            3.0 - 6.0
                            0.36 (0.54)
                            CET and CEV formula

                            Tolerance Circular

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                              Characteristic Circular hollow sections
                              Tolerances meet or exceed the requirements of EN 10210
                              Outside diameter (D) (1 ±1%, with a minimum of ±0.5 mm and a maximum of ±10 mm
                              Out-of-roundness 2%, when D/T ≤ 100
                              Thickness (T) ±10%
                              Straightness 0.20% of total length and 3 mm over any 1 m length
                              Mass per unit length Individual tube: ±6%
                              Mill length ≥ 6000 mm: 0/+50 mm
                              Exact length Agreed at the time of enquiry and order
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                                Characteristic
                                Outside diameter (D) (1
                                Circular hollow sections
                                Tolerances meet or exceed the requirements of EN 10210
                                ±1%, with a minimum of ±0.5 mm and a maximum of ±10 mm
                                Characteristic
                                Out-of-roundness
                                Circular hollow sections
                                Tolerances meet or exceed the requirements of EN 10210
                                2%, when D/T ≤ 100
                                Characteristic
                                Thickness (T)
                                Circular hollow sections
                                Tolerances meet or exceed the requirements of EN 10210
                                ±10%
                                Characteristic
                                Straightness
                                Circular hollow sections
                                Tolerances meet or exceed the requirements of EN 10210
                                0.20% of total length and 3 mm over any 1 m length
                                Characteristic
                                Mass per unit length
                                Circular hollow sections
                                Tolerances meet or exceed the requirements of EN 10210
                                Individual tube: ±6%
                                Characteristic
                                Mill length
                                Circular hollow sections
                                Tolerances meet or exceed the requirements of EN 10210
                                ≥ 6000 mm: 0/+50 mm
                                Characteristic
                                Exact length
                                Circular hollow sections
                                Tolerances meet or exceed the requirements of EN 10210
                                Agreed at the time of enquiry and order

                                1) All external dimensions are measured with a minimum distance from the end of the section. The distance must be a minimum of 100 mm.

                                Delivery Conditions

                                The tubes are plasma welded quenched and tempered.