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
    (mmin)
    Yield strength ReH
    (min MPa)
    Tensile strength Rm
    (MPa)
    Elongation A5
    (min %)
    8.00 - 16.000.315 - 0.6299 420 520 - 680 19
    16.01 - 40.000.6303 - 1.575 400 520 - 680 19
    40.01 - 63.001.575 - 2.480 390 500 - 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 (mmin) 8.00 - 63.000.315 - 2.480
                CET (max %) 0.29
                CEV (max %) 0.38
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                  Thickness (mmin)
                  CET (max %)
                  8.00 - 63.000.315 - 2.480
                  0.29
                  Thickness (mmin)
                  CEV (max %)
                  8.00 - 63.000.315 - 2.480
                  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

                  Tolerances 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