Strenx® Tube 700MLH

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    General Product Description

    Strenx® Tube 700MLH is an HF-welded cold-formed structural hollow section made of hot-rolled high-strength steel with a minimum yield strength of 700 MPa.

    Its high strength combined with naturally stiff form of welded hollow section enables construction of stronger and lighter structures. Strenx® Tube 700MLH meets or exceeds the requirements o EN 10219-3 (2020) and it is CE marked according to EN 1090-2. Typical applications include load-bearing structures in the lifting, handling and transportation segments, especiallyin conditions that require extremely good toughness.

    Strenx® Tube 700MLH 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.

    Hot dip galvanizing Strenx® Tube 700MLH hollow sections maylead to cracking. Please consult SSAB Tech Support prior galvanization.

    Dimension Range

    Strenx® Tube 700MLH is available at circular, square and rectangular shapes.
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      Shapes Dimensions
      Circular (inchesmm) 1.669 - 12.75242.4 - 323.9
      Square (inchesmm) 1.575x1.575 - 11.811x11.81140x40 - 300x300
      Rectangular (inchesmm) 1.969x1.181 - 15.748x7.87450x30 - 400x200
      Wall thickness (inchesmm) 0.079 - 0.3932.0 - 10.0
      Mill length (inchesmm) 236.220 - 472.440 / 708.6606000 - 12000 / 18000
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        Shapes
        Circular (inchesmm)
        Dimensions
        1.669 - 12.75242.4 - 323.9
        Shapes
        Square (inchesmm)
        Dimensions
        1.575x1.575 - 11.811x11.81140x40 - 300x300
        Shapes
        Rectangular (inchesmm)
        Dimensions
        1.969x1.181 - 15.748x7.87450x30 - 400x200
        Shapes
        Wall thickness (inchesmm)
        Dimensions
        0.079 - 0.3932.0 - 10.0
        Shapes
        Mill length (inchesmm)
        Dimensions
        236.220 - 472.440 / 708.6606000 - 12000 / 18000

        Other shapes and sizes are available upon request. 

        Circular Dimensions

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          Outer diameter (inchesmm) 0.079" (ft-lbs) 0.118" (ft-lbs) 0.157" (ft-lbs) 0.197" (ft-lbs) 0.236" (ft-lbs) 0.315" (ft-lbs) 0.393" (ft-lbs)
          1.669"42.4" 1.337
          1.902"48.3" 1.532 2.251
          2.374"60.3"
          2.996"76.1" 3.635 4.777
          3.500"88.9" 4.237 5.631 6.988
          4.000"101.6" 4.898 6.470 7.996
          4.252"108.0" 5.221 6.921 8.533
          4.500"114.3" 5.530 7.324 9.071
          5.000"127.0" 6.161 8.130 10.079
          5.500"139.7" 0.361 9.003 11.154 19.8 17.469 21.501
          5.500"168.3" 10.885 13.505 16.126 21.232 26.204
          8.626"219.1" 17.738 21.165 28.018 34.670
          9.626"244.5" 19.821 23.718 31.378 38.836
          10.748"273.0" 22.240 26.540 35.140 43.606
          12.752"323.9" 31.579 41.859 52.00
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            Square Dimensions

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              Height x Width (inchesmm) 0.079" (ft-lbs) 0.118" (ft-lbs) 0.157" (ft-lbs) 0.197" (ft-lbs) 0.236" (ft-lbs) 0.315" (ft-lbs) 0.393" (ft-lbs)
              1.575 x 1.57540 x 40 1.552 2.291
              1.969 x 1.96950 x 50 1.969 2.943 3.662
              2.362 x 2.36260 x 60 3.595 4.508
              2.756 x 2.75670 x 70 4.253 5.355
              3.150 x 3.15080 x 80 4.905 6.195 7.592
              3.543 x 3.54390 x 90 5.557 7.055 8.600
              3.937 x 3.937100 x 100 6.215 7.861 9.675 11.422 14.379
              4.724 x 4.724120 x 120 9.608 11.825 13.976 17.738 21.366
              5.512 x 5.512140 x 140 11.288 13.908 16.462 21.098 25.599
              5.906 x 5.906150 x 150 12.094 14.983 17.738 22.845 27.749
              6.299 x 6.299160 x 160 12.968 15.991 19.015 24.524 29.832
              7.087 x 7.087180 x 180 1.063 21.568 27.884 34.065
              7.874 x 7.874200 x 200 20.224 24.054 31.243 38.298
              8.661 x 8.661220 x 220 - 200 26.607 34.603 42.464
              9.843 x 9.843250 x 250 30.370 39.709 48.847
              11.811 x 11.811300 x 300 48.108 59.396
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                Rectangular Dimensions

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                  Height x Width (inchesmm) 0.079" (ft-lbs) 0.118" (ft-lbs) 0.157" (ft-lbs) 0.197" (ft-lbs) 0.236" (ft-lbs) 0.315" (ft-lbs) 0.393" (ft-lbs)
                  1.969 x 1.18150 x 30 1.552 2.291
                  2.362 x 1.57560 x 40 1.969 2.943 3.662
                  3.150 x 1.57580 x 40 3.595 4.508
                  3.150 x 2.36280 x 60 4.253 5.355
                  3.937 x 1.969100 x 50 4.576 5.772
                  3.937 x 2.362100 x 60 4.905 6.195 7.592
                  3.937 x 2.362100 x 80 5.557 7.055 8.600
                  4.724 x 2.362120 x 60 5.557 7.055 8.600
                  4.724 x 3.150120 x 80 6.215 7.861 9.675 11.422 14.379
                  5.906 x 3.937150 x 100 10.011 12.296 14.580 18.612 22.441
                  6.299 x 3.150160 x 80 9.608 11.825 13.976 17.738
                  7.087 x 3.937180 x 100 11.288 13.908 16.462 21.098 25.599
                  7.874 x 3.937200 x 100 12.094 14.983 17.738 22.845 27.749
                  7.874 x 4.724200 x 120 12.968 15.991 19.015 24.524 29.832
                  9.843 x 3.937250 x 100 26.2 20.903 27.031 32.997
                  9.843 x 5.906250 x 150 30.1 24.054 31.243 38.298
                  10.236 x 7.087260 x 180 26.607 34.603 42.464
                  11.811 x 7.874300 x 200 30.370 39.709 48.847
                  15.7480 x 7.874400 x 200 48.108
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                    Mechanical Properties

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                      Yield strength Rp0.2
                      (min ksiMPa)
                      Tensile strength Rm
                      (ksiMPa)
                      Elongation A5 1)
                      (min %)
                      Strenx® Tube 700MLH 101700 109 - 138750 - 950 10
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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 700MLH 20 ft-lbs / -58 °F
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                            Product
                            Strenx® Tube 700MLH
                            Min impact energy, transverse test,
                            Charpy V 0.393x0.393" test specimen
                            20 ft-lbs / -58 °F

                            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 2.10 0.020 0.010 0.015 0.090 1) 0.20 1) 0.15 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 (inchesmm) 0.079 - 0.3942.0 - 10.0
                                  Typ CET(CEV) 0.24 (0.38)
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                                    Wall Thickness (inchesmm)
                                    Typ CET(CEV)
                                    0.079 - 0.3942.0 - 10.0
                                    0.24 (0.38)
                                    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 ±0.020"
                                          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 When T ≤ 0.236": 0.063" x T–0.094" x T
                                          When 0.236" < T ≤ 0.394": 0.079" x T-0.118" x T
                                          When T > 0.394": 0.094" x T–0.142" 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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                                            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 ±0.020"
                                            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
                                            When T ≤ 0.236": 0.063" x T–0.094" x T
                                            When 0.236" < T ≤ 0.394": 0.079" x T-0.118" x T
                                            When T > 0.394": 0.094" x T–0.142" 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 When T ≤ 0.236": 0.063" x T–0.094" x T
                                              When 0.236" < T ≤ 0.394": 0.079 x T-0.118" x T
                                              When T > 0.394": 0.094 x T–0.142 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
                                                When T ≤ 0.236": 0.063" x T–0.094" x T
                                                When 0.236" < T ≤ 0.394": 0.079 x T-0.118" x T
                                                When T > 0.394": 0.094 x T–0.142 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.