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SSAB Laser® 420MC Plus

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    General Product Description

    SSAB Laser® 420MC Plus is an advanced high yield strength cold forming steel for laser cutting. The SSAB guarantee for flatness, both before and after laser cutting, is ≤ 3 mm/m deviation.

    SSAB Laser® 420MC Plus meets and exceeds the requirements of S420MC in EN 10149-2. Upon agreement, it can be delivered as dual certified. This dual certification will enable producers of steel structures, in accordance with EN 1090, to use SSAB Laser® 420MC Plus in their CE-marked final component or structure.

    Dimension Range

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      Delivery form Thickness
      (mmin)      		 Width
      (mmin)      		 Length
      (mmin)
      Hot rolled sheet as rolled 3.0 - 12.00.12 - 0.472 1000 - 186039.37 - 73.23 1000 - 1600039.37 - 629.92
      Hot rolled sheet pickled and oiled 2.0 - 10.00.079 - 0.394 1000 - 186039.37 - 73.23 1000 - 1600039.37 - 629.92
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        Mechanical Properties

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          Yield strength ReH
          (min MPa)          		 Tensile strength Rm
          (MPa)          		 Elongation A80 1)
          (min %)          		 Elongation A5 2)
          (min %)          		 Min. inner bending radius for a 90° bend 3)
          (x t)
          420 490 - 620 16 21 0.0
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            The mechanical properties are tested in the longitudinal direction.

            1) A80 value applies for thicknesses < 3.00 mm.

            2) A5 value applies for thicknesses ≥ 3.00 mm.

            3) The bending guarantee is valid for both longitudinal and transverse direction.

            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
                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
                  (max %)                  		 P
                  (max %)                  		 S
                  (max %)                  		 CEV
                  (max )
                  0.12 0.03 1.5 0.020 0.015 0.28
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                    All SSAB Laser® steels are aluminum-killed (Al ≥ 0.015%) and grain-refined. Additionally, niobium (Nb), vanadium (V), titanium (Ti) and/or boron (B) may be used as single alloying element or in any combination.

                    Tolerances

                    All SSAB Laser® products are delivered with SSAB Laser® tolerances, which means increased guarantees compared to corresponding EN standards. Detailed information is available on ssab.com.

                    Thickness

                    Hot rolled sheet: SSAB Laser® tolerances correspond to ⅔ of EN 10051 as default. Tighter tolerances are available upon request.

                    Width

                    Hot rolled sheet: -0/+20 mm for mill edge sheet; -0/+2 mm for cut edge sheet. Tighter tolerances are available upon request.

                    Length

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                      Nominal length
                      (mm)                      		 Tolerance
                      (mmin)
                      l ≤ 4000 - 0 / + 3- 0 / + 0.1
                      4000 ˂ l ≤ 6000 - 0 / + 4- 0 / + 0.2
                      6000 ˂ l ≤ 8000 - 0 / + 5- 0 / + 0.2
                      8000 ˂ l ≤ 13000 - 0 / + 6- 0 / + 0.2
                      13000 ˂ l ≤ 16000 - 0 / + 8- 0 / + 0.3
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                        Nominal length
                        (mm)
                        l ≤ 4000
                        Tolerance
                        (mmin)
                        - 0 / + 3- 0 / + 0.1
                        Nominal length
                        (mm)
                        4000 ˂ l ≤ 6000
                        Tolerance
                        (mmin)
                        - 0 / + 4- 0 / + 0.2
                        Nominal length
                        (mm)
                        6000 ˂ l ≤ 8000
                        Tolerance
                        (mmin)
                        - 0 / + 5- 0 / + 0.2
                        Nominal length
                        (mm)
                        8000 ˂ l ≤ 13000
                        Tolerance
                        (mmin)
                        - 0 / + 6- 0 / + 0.2
                        Nominal length
                        (mm)
                        13000 ˂ l ≤ 16000
                        Tolerance
                        (mmin)
                        - 0 / + 8- 0 / + 0.3

                        Shape

                        Tolerances according to EN 10051.

                        Flatness

                        ≤ 3 mm/m flatness deviation for both delivery condition and laser cut parts.

                        Surface Properties

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

                        Delivery Conditions

                        Thermomechanically rolled.

                        Surface and edge condition

                        SSAB Laser® MC Plus products are available in as rolled or pickled and oiled surface condition with mill edge. Cut edge sheets are available upon request.

                        Fabrication and Other Recommendations

                        All SSAB Laser® products have been optimized for laser cutting, cold forming and welding.

                        SSAB Laser® MC Plus products are cold forming steels not suited for heat treatments at temperatures above 580°C, since the material then may lose its guaranteed properties.

                        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