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Raex® 300

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    Mechanical Properties

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      Product type Thickness
      (mmin)      		 Width 1)
      (mmin)      		 Length 2)
      (mmin)      		 Hardness
      (HBW)      		 Typical yield strength Rp0.2 (MPaksi) Typical tensile strength Rm (MPaksi) Typical Elongation A (%),
      not guaranteed
      Sheet 2.0 - 8.00.079 - 0.315 1000 - 155039.370 - 61.024 2000 - 1200078.740 - 472.440 270 - 390 900130 1000145 11
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        1) Maximum width of a cut length depends on the thickness and steel grad

        2) Cut lengths with lengths 12-13 metres are available subject to special agreement.

        Impact Properties

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          Product Longitudinal test, typical impact energy,
          Charpy V 10x10 mm test specimen 1)
          Raex® 300 sheet 30 J / -40 °C22 ft-lbs / -40 °F
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            Product
            Raex® 300 sheet
            Longitudinal test, typical impact energy,
            Charpy V 10x10 mm test specimen 1)
            30 J / -40 °C22 ft-lbs / -40 °F

            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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              C
              (max %)              		 Si
              (max %)              		 Mn
              (max %)              		 P
              (max %)              		 S
              (max %)              		 Cr
              (max %)              		 Ni
              (max %)              		 Mo
              (max %)              		 B
              (max %)
              0.18 0.80 2.0 0.025 0.015 1.50 1.00 0.50 0.005
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                The steel is grain refined.

                Carbon Equivalent CET(CEV)

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                  Product type Sheet
                  Thickness (mmin) 2.0 - 8.00.079 - 0.315
                  Typ CET(CEV) 1) 0.27 (0.46)
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                    Product type
                    Thickness (mmin)
                    Typ CET(CEV) 1)
                    Sheet
                    2.0 - 8.00.079 - 0.315
                    0.27 (0.46)

                    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

                    Tolerances according to EN 10051 Category A.

                    Length and Width

                    For sheet the tolerances are according to EN 10051.

                    Shape

                    Tolerances according to EN 10051.

                    Flatness

                    For 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 are:

                    Sheets, 3 x t in both directions.

                    Delivery Conditions

                    The delivery condition for Raex® steel is hardened.

                    Fabrication and Other Recommendations

                    Special care must be taken in all stages of handling hardened steels. Flanging is challenging due to the high strength and high flexural stresses of the plate. If the bending radius, for example, is too small and a crack is created in the bending point, the plate may fly from the bending tool in the direction of the bend.

                    Those bending the plate must take appropriate precautions to protect themselves and no unauthorised persons must be allowed in the area. The safest location is usually by the bending machine. The handling instructions of the steel supplier and safety instructions of the workshop must be adhered to in detail. New employees must receive appropriate training before they are allowed to process hardened steels.