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 12-18 meters, 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 (mmin) 139.7 - 219.15.500 - 8.626
    Square (mmin) 100x100 - 200x2003.937x3.937 - 7.874x7.874
    Rectangular (mmin) 120x80 - 250x1504.724x3.149 - 9.843x5.906
    Wall thickness (mmin) 4.0 - 6.00.157 - 0.236
    Mill length (mmin) 6000 - 12000 / 18000236.220 - 472.440 / 708.660
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      Shapes
      Circular (mmin)
      Dimensions
      139.7 - 219.15.500 - 8.626
      Shapes
      Square (mmin)
      Dimensions
      100x100 - 200x2003.937x3.937 - 7.874x7.874
      Shapes
      Rectangular (mmin)
      Dimensions
      120x80 - 250x1504.724x3.149 - 9.843x5.906
      Shapes
      Wall thickness (mmin)
      Dimensions
      4.0 - 6.00.157 - 0.236
      Shapes
      Mill length (mmin)
      Dimensions
      6000 - 12000 / 18000236.220 - 472.440 / 708.660

      Other shapes and sizes are available upon request. 

      Circular Dimensions

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        Outer diameter (mmin) 4.0 mm (kg/m) 5.0 mm (kg/m) 6.0 mm (kg/m)
        139.75.500 13.4 16.6 19.8
        168.36.626 16.2 20.1 24.0
        219.18.626 26.4 31.5
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          Square Dimensions

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            Height x Width (mmin) 4.0 mm (kg/m) 5.0 mm (kg/m) 6.0 mm (kg/m)
            100 x 1003.937 x 3.937 11.6
            120 x 1204.724 x 4.724 14.1 17.4 20.5
            140 x 1405.512 x 5.512 16.7 20.5 24.3
            150 x 1500.2325 x 5.906 22.1 26.2
            160 x 1606.299 x 6.299 23.7 28.0
            180 x 1807.087 x 7.087 26.8 31.8
            200 x 2007.874 x 7.874 35.6
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              Rectangular Dimensions

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                Height x Width (mmin) 4.0 mm (kg/m) 5.0 mm (kg/m) 6.0 mm (kg/m)
                120 x 804.724 x 3.149 11.6
                150 x 1005.906 x 3.937 14.8 18.2 21.5
                160 x 806.299 x 3.150 14.1 17.4 20.5
                180 x 1007.087 x 3.937 16.7 20.5 24.3
                200 x 1007.874 x 3.150 22.1 26.2
                200 x 1207.874 x 4.724 23.7 28.0
                250 x 1509.843 x 5.906 35.6
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                  Mechanical Properties

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                    Yield strength Rp0.2
                    (min MPaksi)
                    Tensile strength Rm
                    (MPaksi)
                    Elongation A5 1)
                    (min %)
                    Strenx® Tube 960MH 960139 980 - 1250142 - 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 for transversal testing,
                        Charpy V 10x10 mm test specimen
                        Strenx® Tube 960MH 40 J / -20 °C
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                          Product
                          Strenx® Tube 960MH
                          Min impact energy for transversal testing,
                          Charpy V 10x10 mm test specimen
                          40 J / -20 °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 %)
                            Nb
                            (max %)
                            V
                            (max %)
                            Ti
                            (max %)
                            0.12 0.25 1.20 0.020 0.010 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 (mm) 4.0 - 6.00.157 - 0.236
                                Typ CET(CEV) 0.28 (0.51)
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                                  Wall Thickness (mm)
                                  Typ CET(CEV)
                                  4.0 - 6.00.157 - 0.236
                                  0.28 (0.51)

                                  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 mm and a maximum of ±10 mm
                                    Out-of-roundness 2%, when D/T ≤ 100
                                    Thickness (T) When D ≤ 323.9 mm: -5%/+10%, with a minimum of ±0.2 mm and maximum ±0.5 mm.
                                    When 355.6 ≤ D ≤ 406.4 mm : ±10%, when T ≤ 5 mm / ±0.5 mm, when T > 5 mm.
                                    When D > 406.4 mm : ±10%, with a maximum of ±2 mm.
                                    Straightness 0.20% of total length and 3 mm over any 1 m length
                                    Mass per unit length Individual tube: ±6%
                                    Mill length 0/+50 mm, 6000 ≤ L ≤ 12000 - 18000 mm (standard lengths 6000 & 12000 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 10219
                                      ±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 10219
                                      2%, when D/T ≤ 100
                                      Characteristic
                                      Thickness (T)
                                      Circular hollow sections
                                      Tolerances meet or exceed the requirements of EN 10219
                                      When D ≤ 323.9 mm: -5%/+10%, with a minimum of ±0.2 mm and maximum ±0.5 mm.
                                      When 355.6 ≤ D ≤ 406.4 mm : ±10%, when T ≤ 5 mm / ±0.5 mm, when T > 5 mm.
                                      When D > 406.4 mm : ±10%, with a maximum of ±2 mm.
                                      Characteristic
                                      Straightness
                                      Circular hollow sections
                                      Tolerances meet or exceed the requirements of EN 10219
                                      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 10219
                                      Individual tube: ±6%
                                      Characteristic
                                      Mill length
                                      Circular hollow sections
                                      Tolerances meet or exceed the requirements of EN 10219
                                      0/+50 mm, 6000 ≤ L ≤ 12000 - 18000 mm (standard lengths 6000 & 12000 mm)
                                      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 100 mm.

                                      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 < 100 mm ±1 % minimum ±0.5 mm
                                        When 100 mm ≤ B, H ≤ 200 mm: ±0.8%
                                        When B, H > 200 mm: ±0.6%
                                        Thickness (T) -5%/+10%, with a minimum of ±0.2 mm and maximum ±0.5 mm.
                                        External corner profile 2.0 x T – 3.0 x T
                                        Squareness of side 90° ±1°
                                        Concavity/convexity 0.8%, with a minimum of 0.5 mm
                                        Twist 2 mm + 0.5 mm/m
                                        Straightness 0.15% of total length and 3 mm over any 1 m length
                                        Mass per unit length Individual tube: ±6%
                                        Mill length 0/+50 mm, 6000 ≤ L ≤ 12000 - 18000 mm (standard lengths 6000 & 12000 mm)
                                        Exact length Agreed at the time of enquiry and order
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                                          Characteristic
                                          Outside dimensions (B, H) 1)
                                          Square hollow sections
                                          Tolerances meet or exceed the requirements of EN 10219
                                          When B, H < 100 mm ±1 % minimum ±0.5 mm
                                          When 100 mm ≤ B, H ≤ 200 mm: ±0.8%
                                          When B, H > 200 mm: ±0.6%
                                          Characteristic
                                          Thickness (T)
                                          Square hollow sections
                                          Tolerances meet or exceed the requirements of EN 10219
                                          -5%/+10%, with a minimum of ±0.2 mm and maximum ±0.5 mm.
                                          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 0.5 mm
                                          Characteristic
                                          Twist
                                          Square hollow sections
                                          Tolerances meet or exceed the requirements of EN 10219
                                          2 mm + 0.5 mm/m
                                          Characteristic
                                          Straightness
                                          Square hollow sections
                                          Tolerances meet or exceed the requirements of EN 10219
                                          0.15% of total length and 3 mm over any 1 m 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/+50 mm, 6000 ≤ L ≤ 12000 - 18000 mm (standard lengths 6000 & 12000 mm)
                                          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 100 mm.

                                          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 < 100 mm ±1 % minimum ±0.5 mm
                                            When 100 mm ≤ B, H ≤ 200 mm: ±0.8%
                                            When B, H > 200 mm: ±0.6%
                                            Thickness (T) -5%/+10%, with a minimum of ±0.2 mm and maximum ±0.5 mm.
                                            External corner profile 2.0 x T – 3.0 x T
                                            Squareness of side 90° ±1°
                                            Concavity/convexity 0.8%, with a minimum of 0.5 mm
                                            Twist 2 mm + 0.5 mm/m
                                            Straightness 0.15% of total length and 3 mm over any 1 m length
                                            Mass per unit length Individual tube: ±6%
                                            Mill length 0/+50 mm, 6000 ≤ L ≤ 12000 - 18000 mm (standard lengths 6000 & 12000 mm)
                                            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 < 100 mm ±1 % minimum ±0.5 mm
                                              When 100 mm ≤ B, H ≤ 200 mm: ±0.8%
                                              When B, H > 200 mm: ±0.6%
                                              Characteristic
                                              Thickness (T)
                                              Rectangular hollow sections
                                              Tolerances meet or exceed the requirements of EN 10219
                                              -5%/+10%, with a minimum of ±0.2 mm and maximum ±0.5 mm.
                                              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 0.5 mm
                                              Characteristic
                                              Twist
                                              Rectangular hollow sections
                                              Tolerances meet or exceed the requirements of EN 10219
                                              2 mm + 0.5 mm/m
                                              Characteristic
                                              Straightness
                                              Rectangular hollow sections
                                              Tolerances meet or exceed the requirements of EN 10219
                                              0.15% of total length and 3 mm over any 1 m 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 o