SSAB Weathering Tube 355WH

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General Product Description

SSAB Weathering Tube 355WH is structural hollow section with anti-corrosive properties, which minimize the need for maintenance and corrosion- prevention treatment.

It is available in circular, rectangular, square and special shapes. Customized shapes and other tailoring options are available upon request. It is typically used in advanced engineering and construction where corrosion resistance is important. It meets the standard requirements of EN 10219 and is CE marked.

SSAB Weathering Tube 355WH is manufactured by cold forming and high frequency welding from clean, high quality environmentally friendly steel by modern and efficient tube lines.

Dimension Range

SSAB Weathering Tube 355WH is available in circular, square and rectangular shapes.

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  • Shapes
  • Dimensions
Shapes Dimensions
Circular (mmin) 48.3 - 323.91.90 - 12.75
Square (mmin) 40x40 - 300x300
Rectangular (mmin) 50x30 - 400x200
Wall thickness (mmin) 2.0 - 12.500.079 - 0.4921
Mill length (mm) 6000/12 000 mm
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    Shapes
    Circular (mmin)
    Dimensions
    48.3 - 323.91.90 - 12.75
    Shapes
    Square (mmin)
    Dimensions
    40x40 - 300x300
    Shapes
    Rectangular (mmin)
    Dimensions
    50x30 - 400x200
    Shapes
    Wall thickness (mmin)
    Dimensions
    2.0 - 12.500.079 - 0.4921
    Shapes
    Mill length (mm)
    Dimensions
    6000/12 000 mm

    Other shapes, sizes and lengths are available upon request.

    Circular Dimensions

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    • Outer diameter (mmin)
    • 2.0 mm (kg/m)
    • 2.5 mm (kg/m)
    • 3.0 mm (kg/m)
    • 4.0 mm (kg/m)
    • 5.0 mm (kg/m)
    • 6.0 mm (kg/m)
    • 8.0 mm (kg/m)
    • 10.0 mm (kg/m)
    • 12.5 mm (kg/m)
    Outer diameter (mmin) 2.0 mm (kg/m) 2.5 mm (kg/m) 3.0 mm (kg/m) 4.0 mm (kg/m) 5.0 mm (kg/m) 6.0 mm (kg/m) 8.0 mm (kg/m) 10.0 mm (kg/m) 12.5 mm (kg/m)
    48.31.90 2.28 2.82 3.35 4.37
    60.32.37 2.88 3.56 4.24 5.55 6.82
    76.13.00 3.65 4.54 5.41 7.11 8.77
    88.93.50 6.36 8.38 10.4 12.3
    101.64.000 7.29 9.63 11.9 14.2
    1084.25 7.77 10.3 12.7 15.1
    1144.49 8.23 10.9 13.5 16.0
    1275.00 9.17 12.1 15.0 17.9
    139.75.500 13.4 16.6 19.8 26.0 32.0
    168.36.626 16.2 20.1 24.0 31.6 39.0
    219.18.626 21.2 26.4 31.5 41.7 51.6 63.7
    27310.7 26.5 33.1 39.5 52.3 64.9 80.3
    323.912.75 39.3 47.0 62.3 77.4 96.0
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      Square Dimensions

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      • Height x Width (mm)
      • 2.0 mm (kg/m)
      • 2.5 mm (kg/m)
      • 3.0 mm (kg/m)
      • 4.0 mm (kg/m)
      • 5.0 mm (kg/m)
      • 6.0 mm (kg/m)
      • 8.0 mm (kg/m)
      • 10.0 mm (kg/m)
      • 12.5 mm (kg/m)
      Height x Width (mm) 2.0 mm (kg/m) 2.5 mm (kg/m) 3.0 mm (kg/m) 4.0 mm (kg/m) 5.0 mm (kg/m) 6.0 mm (kg/m) 8.0 mm (kg/m) 10.0 mm (kg/m) 12.5 mm (kg/m)
      40 x 40 2.31 2.82 3.30 4.20
      50 x 50 2.93 3.60 4.25 5.45 6.56
      60 x 60 3.56 4.39 5.19 6.71 8.13
      70 x 70 6.13 7.97 9.70
      80 x 80 7.07 9.22 11.3 13.2
      90 x 90 8.01 10.5 12.8 15.1
      100 x 100 8.96 11.7 14.4 17.0 21.4
      120 x 120 14.3 17.6 20.8 26.4 31.8
      140 x 140 16.8 20.7 24.5 31.4 38.1
      150 x 150 18.0 22.3 26.4 34.0 41.3 48.7
      160 x 160 19.3 23.8 28.3 36.5 44.4 52.6
      180 x 180 27.0 32.1 41.5 50.7 60.5
      200 x 200 30.1 35.8 46.5 57.0 68.3
      220 x 220 39.6 51.5 63.2 76.2
      250 x 250 45.2 59.1 72.7 88.0
      300 x 300 54.7 71.6 88.4 108
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        Rectangular Dimensions

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        • Height x Width (mm)
        • 2.0 mm (kg/m)
        • 2.5 mm (kg/m)
        • 3.0 mm (kg/m)
        • 4.0 mm (kg/m)
        • 5.0 mm (kg/m)
        • 6.0 mm (kg/m)
        • 8.0 mm (kg/m)
        • 10.0 mm (kg/m)
        • 12.5 mm (kg/m)
        Height x Width (mm) 2.0 mm (kg/m) 2.5 mm (kg/m) 3.0 mm (kg/m) 4.0 mm (kg/m) 5.0 mm (kg/m) 6.0 mm (kg/m) 8.0 mm (kg/m) 10.0 mm (kg/m) 12.5 mm (kg/m)
        50 x 30 2.31 2.82 3.30 4.20
        60 x 40 2.93 3.60 4.25 5.45 6.56
        80 x 40 3.56 4.39 5.19 6.71 8.13
        80 x 60 6.13 7.97 9.70
        100 x 40 6.13 7.97 9.70
        100 x 50 6.60 8.59 10.5 12.3
        100 x 60 7.07 9.22 11.3 13.2
        100 x 80 8.01 10.5 12.8 15.1
        120 x 60 8.01 10.5 12.8 15.1
        120 x 80 8.96 11.7 14.4 17.0 21.0 25.6
        140 x 60 11.7 14.4 17.0
        140 x 80 13.0 16.0 18.9
        150 x 50 11.7 14.4 17.0
        150 x 100 14.9 18.3 21.7 27.7 33.4
        160 x 70 13.6 16.8 19.8 25.2
        160 x 80 14.3 17.6 20.8 26.4 31.8
        180 x 100 16.8 20.7 24.5 31.4 38.1
        200 x 100 18.0 22.3 26.4 34.0 41.3 48.7
        200 x 120 23.8 28.3 36.5 44.4 52.6
        250 x 100 26.18 31.11 40.23 49.11
        250 x 150 30.1 35.8 46.5 57.0 68.3
        260 x 180 39.6 51.5 63.2
        300 x 100 30.1 35.8 46.5 57.0 68.3
        300 x 150 40.5 52.8 64.8 78.1
        300 x 200 45.2 59.1 72.7 88.0
        400 x 200 54.7 71.6 88.4 108
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          Mechanical Properties

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          • Yield strength Rp0.2
            (min MPa)
          • Tensile strength Rm
            (MPa)
          • Elongation A5 1)
            (min %)
          • Charpy-V -20°C 10x10 mm test specimen 2)
            (J)
          Yield strength Rp0.2
          (min MPa)
          Tensile strength Rm
          (MPa)
          Elongation A5 1)
          (min %)
          Charpy-V -20°C 10x10 mm test specimen 2)
          (J)
          355 470 - 630 20 27
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            Mechanical properties meet the requirements of S355J2WH, EN 10219.

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

            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.

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

            Chemical Composition (ladle analysis)

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            • C
              (max %)
            • Si
              (max %)
            • Mn
              (%)
            • P
              (max %)
            • S
              (max %)
            • Altot
              (min %)
            • Cr
              (%)
            • Cu
              (%)
            C
            (max %)
            Si
            (max %)
            Mn
            (%)
            P
            (max %)
            S
            (max %)
            Altot
            (min %)
            Cr
            (%)
            Cu
            (%)
            0.12 0.50 0.50 - 1.50 0.020 1) 0.010 1) 0.020 0.40 - 0.80 0.25 - 0.55
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              Chemical composition meet the requirements of S355J2WH, EN 10219.

              The steel is aluminium-killed.

              1) Value exceed the requirements of EN 10219.

              Carbon Equivalent

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              • Wall Thickness (mm)
              • 2.0 - 12.50.079 - 0.492
              Wall Thickness (mm) 2.0 - 12.50.079 - 0.492
              CEV (max %) 0.50
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                Wall Thickness (mm)
                CEV (max %)
                2.0 - 12.50.079 - 0.492
                0.50

                CEV value exceeds the requirements of S355J2WH, EN 10219.

                Tolerances

                Tolerance Circular

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                • Characteristic
                • Circular hollow sections
                  Tolerances meet or exceed the requirements of EN 10219
                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 ≤ 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 ≤ 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
                  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
                  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 When T ≤ 6 mm: 1.6 x T–2.4 x T
                  When 6 mm < T ≤ 10 mm: 2.0 x t-3.0 x
                  When T > 10 mm: 2.4 x T–3.6 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 ≤ 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)
                    Square hollow sections
                    Tolerances meet or exceed the requirements of EN 10219
                    When B, H < 100 mm ±1 % minimum ±0.5
                    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
                    When T ≤ 6 mm: 1.6 x T–2.4 x T
                    When 6 mm < T ≤ 10 mm: 2.0 x t-3.0 x
                    When T > 10 mm: 2.4 x T–3.6 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 ≤ 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
                    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
                    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 When T ≤ 6 mm: 1.6 x T–2.4 x T
                    When 6 mm < T ≤ 10 mm: 2.0 x t-3.0 x=
                    When T > 10 mm: 2.4 x T–3.6 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 ≤ 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
                      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
                      When T ≤ 6 mm: 1.6 x T–2.4 x T
                      When 6 mm < T ≤ 10 mm: 2.0 x t-3.0 x=
                      When T > 10 mm: 2.4 x T–3.6 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 of EN 10219
                      0/+50 mm, 6000 ≤ L ≤ 18000 mm (standard lengths 6000 & 12000 mm)
                      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 100 mm.

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