SSAB Domex® 420ML

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    General Product Description

    SSAB Domex 420ML is a thermomechanically rolled structural steel plate that provides high strength at low temperatures. SSAB Domex 420ML meets or exceeds the requirements of S420ML in EN 10025-4.

    Dimension Range

    SSAB Domex 420ML is available in thicknesses of 8.00-63.00 mm and in widths up to 3300 mm depending on the thickness. More detailed dimensions are provided in the dimension program.

    Mechanical Properties

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      Thickness
      (mm)
      Yield strength ReH
      (min MPa)
      Tensile strength Rm
      (MPa)
      Elongation A5
      (min %)
      8.00 - 16.00 420 520 - 680 19
      16.01 - 40.00 400 520 - 680 19
      40.01 - 63.00 390 500 - 660 19
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        The tensile test is made transverse to the rolling direction in compliance with EN 10025-4.

        Impact Properties

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          Min. impact energy for longitudinal testing,
          Charpy V 10x10 mm test specimens
          40 J / -60 °C
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            Min. impact energy for longitudinal testing,
            Charpy V 10x10 mm test specimens
            40 J / -60 °C

            The impact test is made longitudinally to the rolling direction in compliance with EN 10025-4.

            Chemical Composition (heat analysis)

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              C
              (max %)
              Si
              (max %)
              Mn
              (max %)
              P
              (max %)
              S
              (max %)
              Al
              (min %)
              Nb
              (max %)
              V
              (max %)
              Ti
              (max %)
              0.14 0.50 1.60 0.020 0.015 0.02 0.05 0.10 0.05
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                Carbon Equivalent

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                  Thickness (mm) 8.00 - 63.00
                  CEV (max %) 0.38
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                    Thickness (mm)
                    CEV (max %)
                    8.00 - 63.00
                    0.38
                    CET and CEV formula

                    Tolerances

                    Thickness

                    SSAB Domex ML products are delivered with tolerances that correspond to ¾ of EN 10029 Class A as default value.

                    Length and Width

                    Width tolerances -0/+4-10 mm depending on the thickness. Length tolerances -0/+15-75 mm depending on length.

                    Shape

                    According to EN 10029.

                    Flatness

                    Maximum flatness deviation 6 mm/m.

                    Surface Properties

                    According to EN 10163-2 Class A, Subclass 3.

                    Delivery Conditions

                    Thermomechanically rolled (M).

                    Fabrication and Other Recommendations

                    Minimum inner bending radius is 1.0 x t transverse to the rolling direction and 1.5 x t longitudinal to the rolling direction up to max 20mm in thickness.

                    For information concerning fabrication, see SSAB´s brochures on www.ssab.com or consult Tech Support.

                    Appropriate health and safety precautions must be taken when bending, welding, cutting, grinding or otherwise working on the products.

                    Contact Information

                    www.ssab.com/contact