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 EN 10210-3:2020.

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 (mmin) 76.1 - 133.03.000 - 5.236
    Wall thickness (mmin) 3.0 - 6.00.118 - 0.236
    Mill length (mmin) 6000 - 12000236.200 - 472.440
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      Shapes
      Circular (mmin)
      Circular
      76.1 - 133.03.000 - 5.236
      Shapes
      Wall thickness (mmin)
      Circular
      3.0 - 6.00.118 - 0.236
      Shapes
      Mill length (mmin)
      Circular
      6000 - 12000236.200 - 472.440

      Circular Dimensions

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        Outer diameter (mmin) 3.0 mm (kg/m) 4.0 mm (kg/m) 5.0 mm (kg/m) 6.0 mm (kg/m)
        76.13.000 5.41 7.11 8.77 10.4
        85.03.346 6.07 7.99 8.77 11.69
        88.93.500 6.36 8.38 10.4 12.3
        101.64.000 7.29 9.63 11.9 14.2
        108.04.252 7.77 10.3 12.7 15.1
        114.34.500 8.23 10.9 13.5 16.0
        121.04.764 8.73 11.5 14.3 17.0
        133.05.236 9.62 12.7 15.8 18.8
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          Mechanical Properties

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            Yield strength Rp0.2
            (min MPaksi)
            Tensile strength Rm
            (MPaksi)
            Elongation A5
            (min %)
            Strenx® Tube 960QLH 960140 980 - 1150142 - 167 10
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              Mechanical properties meet the requirements of prEN 10210 (2016).

              Impact Properties

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                Diameter (mmin) Min impact energy for transversal testing,
                Charpy V 10x10 mm test specimen 1)
                76.1 - 133.03.000 - 5.236 40 J / -40 °C30 ft-lbs / -40 °F
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                  Diameter (mmin)
                  76.1 - 133.03.000 - 5.236
                  Min impact energy for transversal testing,
                  Charpy V 10x10 mm test specimen 1)
                  40 J / -40 °C30 ft-lbs / -40 °F

                  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 - 6.00.118 - 0.236
                        Typ CET(CEV) 0.36 (0.54)
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                          Wall Thickness (mm)
                          Typ CET(CEV)
                          3.0 - 6.00.118 - 0.236
                          0.36 (0.54)

                          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.