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SSAB S355J2+N Zero

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    SSAB Zero™

    SSAB Zero™ steel is made using recycled steel and fossil-free energy.

    The SSAB Zero™ EPDs and Certificate of Carbon Emissions is available on ssab.com. The availability of SSAB Zero™ products is subject to limitations and conditions of delivery have to be agreed upon separately.

    General Product Description

    Normalized or normalized rolled structural steel heavy plate. SSAB S355J2+N Zero is hot rolled structural steel for general steel constructions. N= Normalized.

    Exceeding the requirements of EN 10025-2, SSAB S355J2+N Zero is a versatile structural steel for fabricated products and steel frame structures. Formability and highly consistent quality guarantee fast, uninterrupted production, generating clear savings in the costs of material management.

    Dimension Range

    SSAB S355J2+N Zero is available in thickness of 6.00 - 60.00 mm.

    Mechanical Properties

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      Thickness
      (mmin)      		 Yield strength
      (min MPa)      		 Tensile strength
      (MPa)      		 Elongation A5
      (min %)
      6.00 - 16.000.236 - 0.6299 355 470 - 630 21
      16.01 - 40.000.6303 - 1.575 345 470 - 630 21
      40.01 - 60.001.575 - 2.362 335 470 - 630 20
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      Comparison

        The mechanical properties are tested transverse to the direction of rolling.

        Impact Properties

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          Min. impact energy for longitudinal testing,
          Charpy V 10x10 mm test specimens
          27 J / -20 °C
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            Min. impact energy for longitudinal testing,
            Charpy V 10x10 mm test specimens
            27 J / -20 °C

            Chemical Composition (ladle analysis)

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              C
              (max %)              		 Si
              (max %)              		 Mn
              (max %)              		 P
              (max %)              		 S
              (max %)              		 Nb
              (max %)
              0.18 0.50 1.60 0.020 0.010 0.05
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              Comparison

                Carbon Equivalent CEV

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                  Thickness (mmin) 6.00 - 60.000.236 - 2.362
                  CEV (max %) 0.45
                  Typical CEV (%) 0.42
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                  Comparison

                    Thickness (mmin)
                    CEV (max %)
                    6.00 - 60.000.236 - 2.362
                    0.45
                    Thickness (mmin)
                    Typical CEV (%)
                    6.00 - 60.000.236 - 2.362
                    0.42

                    Tolerances

                    Thickness according to EN 10029 Class C.

                    Width and length according to EN 10029.

                    Flatness  according to EN 10029 Class N.

                    Surface according to EN 10163-2 Class A subclass 1.

                    Delivery Conditions

                    Normalized rolled.

                    Coating

                    Shot blasted & primed surface is available upon request.

                    Certificates

                    EN 10204-3.1+CE for S355J2/+N EN 10025-2.

                    Fabrication and Other Recommendations

                    Welding:

                    Weldability is excellent with all welding processes. Increased working temperature requirements are less than those of the corresponding strength grades of standard steels. This means easier welding and cost savings under both workshop and site welding conditions.

                    Needed working temperatures for thick plates please consult SSAB Tech Support.

                    Forming:

                    SSAB S355J2+N Zero offers better formability properties than standard steels. Successful forming requires that the manufacturer uses good workshop techniques. Worn tools, poor lubrication, scratches on the surface of the steel as well as edge burrs will all reduce forming quality.

                    Guaranteed minimum bending radius for all directions is 1.5 x t up to 30 mm thick plate where t = plate thickness.

                    Heat treatment:

                    Recommendations for stress relieving and normalizing

                    Stress relieving 550 – 600°C (target 580°C)

                    2 minutes/millimeter of thickness, however, 30 minutes minimum. Slow cooling in the furnace.

                    Normalizing 900 – 940°C (target 920°C)

                    1 minute/millimeter of thickness, however, 20 minutes minimum. Cooling in free air.

                     

                    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