Strenx® Tube 960MH

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    General Product Description

    Strenx® Tube 960MH is an HF-welded cold-formed structural hollow section made of hot-rolled high-strength steel with a minimum yield strength of 960 MPa 

    Its high strength combined with naturally stiff form of welded hollow section enables construction of stronger and lighter structures. Strenx® Tube 960MH meets or exceeds the requirements of EN 10219-3 (2020). Typical applications include load-bearing structures in the lifting, handling and transportation segments. 

    Strenx® Tube 960MH is available in circular, square and rectangular shapes. Other shapes and sizes are available upon request.

    The maximum length of the tubes is 472.440" - 708.660", depending on the size. Longer or cut-to-length tubes are available upon request.

    It is not recommended to hot dip galvanize Strenx Tube 960MH hollow sections. 

    Dimension Range

    Strenx® Tube 960MH is available at circular, square and rectangular shapes.
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      Shapes Dimensions
      Circular (in) 5.500 - 9.626
      Square (in) 3.937x3.937 - 7.874x7.874
      Rectangular (in) 4.724x3.149 - 9.843x5.906
      Wall thickness (in) 0.157 - 0.236
      Mill length (in) 236.220 - 472.440 / 708.660
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        Shapes
        Circular (in)
        Dimensions
        5.500 - 9.626
        Shapes
        Square (in)
        Dimensions
        3.937x3.937 - 7.874x7.874
        Shapes
        Rectangular (in)
        Dimensions
        4.724x3.149 - 9.843x5.906
        Shapes
        Wall thickness (in)
        Dimensions
        0.157 - 0.236
        Shapes
        Mill length (in)
        Dimensions
        236.220 - 472.440 / 708.660

        Other shapes and sizes are available upon request. 

        Circular Dimensions

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          Outer diameter (in) 0.157" (ft-lbs) 0.197" (ft-lbs) 0.236" (ft-lbs)
          5.500" 9.003 11.154 13.304
          6.626" 10.885 13.505 16.126
          8.626" 17.738 21.165
          9.626" 23.718
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            Square Dimensions

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              Height x Width (in) 0.157" (ft-lbs) 0.197" (ft-lbs) 0.236" (ft-lbs)
              3.937 x 3.937 7.794
              4.724 x 4.724 9.474 11.691 13.774
              5.512 x 5.512 11.221 13.774 16.327
              0.2325 x 5.906 14.849 17.604
              6.299 x 6.299 15.924 18.813
              7.087 x 7.087 18.007 21.366
              7.874 x 7.874 23.920
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                Rectangular Dimensions

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                  Height x Width (in) 0.157" (ft-lbs) 0.197" (ft-lbs) 0.236" (ft-lbs)
                  4.724 x 3.149 7.794
                  5.906 x 3.937 9.944 12.229 14.446
                  6.299 x 3.150 9.474 11.691 20.5
                  7.087 x 3.937 11.221 13.774 16.327
                  7.874 x 3.150 14.849 17.604
                  7.874 x 4.724 15.924 18.813
                  9.843 x 5.906 23.920
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                    Mechanical Properties

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                      Yield strength Rp0.2
                      (min ksi)
                      Tensile strength Rm
                      (ksi)
                      Elongation A5 1)
                      (min %)
                      Strenx® Tube 960MH 139 142 - 181 6
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                        1) The hollow sections with D/T < 15 (round) or (B + H)/2T < 12,5 (rectangular and square), the minimum value of elongation is reduced by 2.

                        The mechanical properties for rectangular hollow sections are tested by SSAB on the longer side of the cross section.

                        Mechanical properties meet the requirements of EN 10219-3 (2020).

                        Impact Properties

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                          Product Min impact energy, transverse test,
                          Charpy V 0.393x0.393" test specimen
                          Strenx® Tube 960MH 30 ft-lbs / -4 °C
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                            Product
                            Strenx® Tube 960MH
                            Min impact energy, transverse test,
                            Charpy V 0.393x0.393" test specimen
                            30 ft-lbs / -4 °C

                            1) Impact testing according to EN ISO 148-1 is performed on thicknesses ≥ 0.236". The specified minimum value corresponds to a full-size specimen.

                            Chemical Composition (heat analysis)

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                              C
                              (max %)
                              Si
                              (max %)
                              Mn
                              (max %)
                              P
                              (max %)
                              S
                              (max %)
                              Altot
                              (min %)
                              Nb
                              (max %)
                              V
                              (max %)
                              Ti
                              (max %)
                              0.12 0.25 1.20 0.020 0.010 0.015 0.050 1) 0.050 1) 0.07 1)
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                                1) Sum of Nb, V and Ti = max 0.22%

                                Chemical composition meets or exceeds the requirements of EN 10219-3 (2020).

                                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 (in) 0.157 - 0.236
                                  Typ CET(CEV) 0.28 (0.51)
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                                    Wall Thickness (in)
                                    Typ CET(CEV)
                                    0.157 - 0.236
                                    0.28 (0.51)
                                    CET and CEV formula

                                    Tolerance Circular

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                                      Characteristic Circular hollow sections
                                      Tolerances meet or exceed the requirements of EN 10219
                                      Outside diameter (D) (1 ±1%, with a minimum of ±0.5” and a maximum of ± 0.3937”
                                      Out-of-roundness 2%, when D/T ≤ 3.937”
                                      Thickness (T) When D ≤ 12.752": -5%/+10%, with a minimum of ±0.008" and maximum ±0.020"
                                      When 14.000" ≤ D ≤ 16.000" : ±10%, when T ≤ 0.197" / ±0.020", when T > 0.197"
                                      When D > 16.000" : ±10%, with a maximum of ±0.079"
                                      Straightness 0.20% of total length and 0.118” over any 39.37” length
                                      Mass per unit length Individual tube: ±6%
                                      Mill length 0/+1.969", 236.220" ≤ L ≤ 472.440 - 708.660" (standard lengths 236.220 & 472.440")
                                      Exact length Agreed at the time of enquiry and order
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                                      Comparison

                                        Characteristic
                                        Outside diameter (D) (1
                                        Circular hollow sections
                                        Tolerances meet or exceed the requirements of EN 10219
                                        ±1%, with a minimum of ±0.5” and a maximum of ± 0.3937”
                                        Characteristic
                                        Out-of-roundness
                                        Circular hollow sections
                                        Tolerances meet or exceed the requirements of EN 10219
                                        2%, when D/T ≤ 3.937”
                                        Characteristic
                                        Thickness (T)
                                        Circular hollow sections
                                        Tolerances meet or exceed the requirements of EN 10219
                                        When D ≤ 12.752": -5%/+10%, with a minimum of ±0.008" and maximum ±0.020"
                                        When 14.000" ≤ D ≤ 16.000" : ±10%, when T ≤ 0.197" / ±0.020", when T > 0.197"
                                        When D > 16.000" : ±10%, with a maximum of ±0.079"
                                        Characteristic
                                        Straightness
                                        Circular hollow sections
                                        Tolerances meet or exceed the requirements of EN 10219
                                        0.20% of total length and 0.118” over any 39.37” length
                                        Characteristic
                                        Mass per unit length
                                        Circular hollow sections
                                        Tolerances meet or exceed the requirements of EN 10219
                                        Individual tube: ±6%
                                        Characteristic
                                        Mill length
                                        Circular hollow sections
                                        Tolerances meet or exceed the requirements of EN 10219
                                        0/+1.969", 236.220" ≤ L ≤ 472.440 - 708.660" (standard lengths 236.220 & 472.440")
                                        Characteristic
                                        Exact length
                                        Circular hollow sections
                                        Tolerances meet or exceed the requirements of EN 10219
                                        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 3.937".

                                        Tolerance Square

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                                          Characteristic Square hollow sections
                                          Tolerances meet or exceed the requirements of EN 10219
                                          Outside dimensions (B, H) 1) When B, H < 3.937" ±1 % minimum ±0.5 mm
                                          When 3.937" ≤ B, H ≤ 7.874": ±0.8%
                                          When B, H > 7.874": ±0.6%
                                          Thickness (T) -5% / +10 %, with a minimum of ±0.008" and maximum ±0.020"
                                          External corner profile 2.0 x T – 3.0 x T
                                          Squareness of side 90° ±1°
                                          Concavity/convexity 0.8%, with a minimum of 0.020"
                                          Twist 0.079" + 0.020"/39,370"
                                          Straightness 0.15% of total length and 0.118" over any 39.370" length
                                          Mass per unit length Individual tube: ±6%
                                          Mill length 0/+1.969", 236.220" ≤ L ≤ 472.440 - 708.660" (standard lengths 236.220 & 472.440")
                                          Exact length Agreed at the time of enquiry and order
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                                          Comparison

                                            Characteristic
                                            Outside dimensions (B, H) 1)
                                            Square hollow sections
                                            Tolerances meet or exceed the requirements of EN 10219
                                            When B, H < 3.937" ±1 % minimum ±0.5 mm
                                            When 3.937" ≤ B, H ≤ 7.874": ±0.8%
                                            When B, H > 7.874": ±0.6%
                                            Characteristic
                                            Thickness (T)
                                            Square hollow sections
                                            Tolerances meet or exceed the requirements of EN 10219
                                            -5% / +10 %, with a minimum of ±0.008" and maximum ±0.020"
                                            Characteristic
                                            External corner profile
                                            Square hollow sections
                                            Tolerances meet or exceed the requirements of EN 10219
                                            2.0 x T – 3.0 x T
                                            Characteristic
                                            Squareness of side
                                            Square hollow sections
                                            Tolerances meet or exceed the requirements of EN 10219
                                            90° ±1°
                                            Characteristic
                                            Concavity/convexity
                                            Square hollow sections
                                            Tolerances meet or exceed the requirements of EN 10219
                                            0.8%, with a minimum of 0.020"
                                            Characteristic
                                            Twist
                                            Square hollow sections
                                            Tolerances meet or exceed the requirements of EN 10219
                                            0.079" + 0.020"/39,370"
                                            Characteristic
                                            Straightness
                                            Square hollow sections
                                            Tolerances meet or exceed the requirements of EN 10219
                                            0.15% of total length and 0.118" over any 39.370" length
                                            Characteristic
                                            Mass per unit length
                                            Square hollow sections
                                            Tolerances meet or exceed the requirements of EN 10219
                                            Individual tube: ±6%
                                            Characteristic
                                            Mill length
                                            Square hollow sections
                                            Tolerances meet or exceed the requirements of EN 10219
                                            0/+1.969", 236.220" ≤ L ≤ 472.440 - 708.660" (standard lengths 236.220 & 472.440")
                                            Characteristic
                                            Exact length
                                            Square hollow sections
                                            Tolerances meet or exceed the requirements of EN 10219
                                            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 3.937".

                                            Tolerance Rectangular

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                                              Characteristic Rectangular hollow sections
                                              Tolerances meet or exceed the requirements of EN 10219
                                              Outside dimensions (B, H) 1) When B, H < 3.937" ±1 % minimum ±0.5 mm
                                              When 3.937" ≤ B, H ≤ 7.874": ±0.8%
                                              When B, H > 7.874": ±0.6%
                                              Thickness (T) -5% / +10 %, with a minimum of ±0.008" and maximum ±0.020"
                                              External corner profile 2.0 x T – 3.0 x T
                                              Squareness of side 90° ±1°
                                              Concavity/convexity 0.8%, with a minimum of 0.0197"
                                              Twist 0.079" + 0.020"/39.370"
                                              Straightness 0.15% of total length and 0.118" over any 39.370" length
                                              Mass per unit length Individual tube: ±6%
                                              Mill length 0/+1.969", 236.220" ≤ L ≤ 472.440 - 708.660" (standard lengths 236.220 & 472.440")
                                              Exact length Agreed at the time of enquiry and order
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                                              Comparison

                                                Characteristic
                                                Outside dimensions (B, H) 1)
                                                Rectangular hollow sections
                                                Tolerances meet or exceed the requirements of EN 10219
                                                When B, H < 3.937" ±1 % minimum ±0.5 mm
                                                When 3.937" ≤ B, H ≤ 7.874": ±0.8%
                                                When B, H > 7.874": ±0.6%
                                                Characteristic
                                                Thickness (T)
                                                Rectangular hollow sections
                                                Tolerances meet or exceed the requirements of EN 10219
                                                -5% / +10 %, with a minimum of ±0.008" and maximum ±0.020"
                                                Characteristic
                                                External corner profile
                                                Rectangular hollow sections
                                                Tolerances meet or exceed the requirements of EN 10219
                                                2.0 x T – 3.0 x T
                                                Characteristic
                                                Squareness of side
                                                Rectangular hollow sections
                                                Tolerances meet or exceed the requirements of EN 10219
                                                90° ±1°
                                                Characteristic
                                                Concavity/convexity
                                                Rectangular hollow sections
                                                Tolerances meet or exceed the requirements of EN 10219
                                                0.8%, with a minimum of 0.0197"
                                                Characteristic
                                                Twist
                                                Rectangular hollow sections
                                                Tolerances meet or exceed the requirements of EN 10219
                                                0.079" + 0.020"/39.370"
                                                Characteristic
                                                Straightness
                                                Rectangular hollow sections
                                                Tolerances meet or exceed the requirements of EN 10219
                                                0.15% of total length and 0.118" over any 39.370" length
                                                Characteristic
                                                Mass per unit length
                                                Rectangular hollow sections
                                                Tolerances meet or exceed the requirements of EN 10219
                                                Individual tube: ±6%
                                                Characteristic
                                                Mill length
                                                Rectangular hollow sections
                                                Tolerances meet or exceed the requirements of EN 10219
                                                0/+1.969", 236.220" ≤ L ≤ 472.440 - 708.660" (standard lengths 236.220 & 472.440")
                                                Characteristic
                                                Exact length
                                                Rectangular hollow sections
                                                Tolerances meet or exceed the requirements of EN 10219
                                                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 3.397".

                                                Delivery Conditions

                                                The tubes are cold formed and high frequency welded from thermomechanically rolled steel.