Raex® 400

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    Mechanical Properties

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      Product type Thickness
      (mm)
      Width
      (mm)
      Length
      (mm)
      Hardness 1)
      (HBW)
      Typical yield strength Rp0.2 (MPa) Typical tensile strength Rm (MPa) Typical Elongation A (%),
      not guaranteed
      Sheet 2.00 - 8.00 1000 - 1750 2000 - 12000 360 - 440 1100 1250 10
      Plate 6.00 - 40.00 1800 - 3200 2000 - 12000 360 - 440 1100 1300 10
      Plate 40.01 - 60.00 2000 - 2500 4000 - 9500 360 - 440 1100 1300 10
      Plate 60.01 - 80.00 2000 - 2500 4000 - 6900 360 - 440 1100 1300 10
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        1) Brinell Hardness is measured, according to EN ISO 6506-1 on milled surface 0.3-3.0mm below surface. Hardness value is being announced in the material certificate.
        Mechanical properties are tested in transverse direction and tabulated for information only and values are not shown in material certificate.

        Impact Properties

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          Product Longitudinal test, typical impact energy,
          Charpy V 10x10 mm test specimen 1)
          Raex® 400 sheet & plate 30 J / -40 °C
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            Product
            Raex® 400 sheet & plate
            Longitudinal test, typical impact energy,
            Charpy V 10x10 mm test specimen 1)
            30 J / -40 °C

            1) Impact testing according to EN ISO 148-1 is performed on thickness ≥6mm. The specific value corresponds to a full-size specimen. Impactvalues are tabulated for information only and value are not shown in material certificate.

            Chemical Composition

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              Product type C
              (max %)
              Si
              (max %)
              Mn
              (max %)
              P
              (max %)
              S
              (max %)
              Cr
              (max %)
              Ni
              (max %)
              Mo
              (max %)
              B
              (max %)
              Plate 0.23 0.80 1.70 0.025 0.015 1.50 1.00 0.50 0.005
              Sheet 0.16 0.50 1.60 0.025 0.010 1.20 1.00 0.25 0.005
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                The steel is grain refined.

                Carbon Equivalent CET(CEV)

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                  Product type Sheet Plate Plate Plate
                  Thickness (mm) 2.00 - 8.00 6.00 - 20.00 20.01 - 32.00 32.01 - 80.00
                  Typ CET(CEV) 1) 0.30 (0.48) 0.30 (0.44) 0.35 (0.53) 0.35 (0.57)
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                    1) The CEV value is being announced in the inspection certificate and the CET values are tabulated for information only.

                    CET and CEV formula

                    Tolerances

                    Thickness

                    Plates tolerances according to EN 10029 Class A, tighter tolerances upon agreement. Sheets tolerances according to EN 10051 Category A.

                    Length and Width

                    For plate tolerances according to EN 10029, tighter tolerances upon agreement. Sheets tolerances according to EN 10051.

                    Shape

                    Tolerances according to EN 10029 for plate and according to EN 10051 for sheet.

                    Flatness

                    For plate and sheet the flatness deviation is max 6 mm/m.

                    Surface Properties

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

                    Bending

                    Minimum inner bending radii for a 90° bend, t ≤ 20 mm are:

                    Sheets and plates, 3 x t (transverse) and 4 x t (longitudinal).

                    Delivery Conditions

                    The delivery condition is quenched. Sheets are available in as rolled surface condition with mill edge. Plates are available in as-rolled or shopprimed surface condition. Delivery requirements can be found in SSAB´s brochure at www.raexsteel.com.

                    Fabrication and Other Recommendations

                    Welding, bending and machining recommendations can be found in brochures at www.raexsteel.com or consult Tech Support.

                    Raex® is not intended for further heat treatment. Mechanical properties are achieved by quenching. The properties of the delivery condition cannot be retained after exposure to temperatures in excess of 250°C.

                    Appropriate health and safety precautions must be taken when welding, cutting, grinding or otherwise working on this product. Grinding, especially of primer coated plates, may produce dust with a high particle concentration.