SSAB Laser® 355C

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    General Product Description

    SSAB Laser® 355C is an advanced structural cold forming steel for laser cutting. The SSAB guarantee for flatness, both before and after laser cutting, is ≤ 3 mm/m deviation.

    SSAB Laser® 355C meets and exceeds the requirements of S355K2C+N in EN 10025-2. Dual certification and CE marking are available upon request.

    Dimension Range

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      Delivery form Thickness
      (mm)
      Width
      (mm)
      Length
      (mm)
      Hot rolled sheet as rolled 3.0 - 15.0 1000 - 1860 1000 - 16000
      Hot rolled sheet pickled and oiled 3.0 - 15.0 1000 - 1830 1000 - 16000
      Hot rolled plate as rolled 8.0 - 30.0 1000 - 3300 2000 - 15000
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        Mechanical Properties

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          Delivery form Thickness
          (mm)
          Yield strength Re
          (min MPa)
          Tensile strength Rm
          (MPa)
          Elongation A5
          (min %)
          Min. inner bending radius 90° t ≤ 6mm 1)
          (x t)
          Min. inner bending radius 90° t ˃ 6mm 1)
          (x t)
          Hot rolled sheet 3.0 - 15.0 355 490 - 630 20 1.5 1.5
          Hot rolled plate 8.0 - 30.0 355 490 - 630 20 1.5
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            The mechanical properties are tested transverse to the direction of rolling.

            1) 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 / -20 °C
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                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 (heat analysis)

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                  Delivery form C
                  (max %)
                  Si
                  (max %)
                  Mn
                  (max %)
                  P
                  (max %)
                  S
                  (max %)
                  CEV
                  (max )
                  Hot rolled sheet 0.18 0.03 1.6 0.020 0.020 0.45
                  Hot rolled plate 0.2 0.03 1.6 0.020 0.020 0.45
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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.

                    Hot rolled plate: SSAB Laser® tolerances correspond to ¾ of EN 10029 as default.

                    Width

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

                    Hot rolled plate: -0/+4-10mm depending on the thickness.

                    Length

                    Hot rolled sheet:

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                      Nominal length
                      (mm)
                      Tolerance
                      (mm)
                      l ≤ 4000 - 0 / + 3
                      4000 ˂ l ≤ 6000 - 0 / + 4
                      6000 ˂ l ≤ 8000 - 0 / + 5
                      8000 ˂ l ≤ 13000 - 0 / + 6
                      13000 ˂ l ≤ 16000 - 0 / + 8
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                        Hot rolled plate:

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                          Nominal length
                          (mm)
                          Tolerance
                          (mm)
                          2000 ˂ l ≤ 10000 - 0 / + 15
                          10000 ˂ l ≤ 15000 - 0 / + 20
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                            Shape

                            Hot rolled sheet: according to EN 10051.

                            Hot rolled plate: according to EN 10029.

                            Flatness

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

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

                            Surface Properties

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

                            Delivery Conditions

                            Normalized rolled.

                            Surface and edge condition

                            Hot rolled sheet: as rolled or pickled and oiled surface condition with mill edge. Cut edge is available upon request.

                            Hot rolled plate: as rolled surface condition and cut edges as default.

                            Fabrication and Other Recommendations

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

                            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