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
    (mmin)
    Width
    (mmin)
    Length
    (mmin)
    Hot rolled sheet as rolled 3.0 - 15.00.12 - 0.591 1000 - 186039.37 - 73.23 1000 - 1600039.37 - 629.92
    Hot rolled sheet pickled and oiled 3.0 - 15.00.12 - 0.591 1000 - 183039.37 - 72.05 1000 - 1600039.37 - 629.92
    Hot rolled plate as rolled 8.0 - 30.00.31 - 1.18 1000 - 330039.37 - 129.9 2000 - 1500078.74 - 590.55
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      Mechanical Properties

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        Delivery form Thickness
        (mmin)
        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 - 15.00.12 - 0.591 355 490 - 630 20 1.5 1.5
        Hot rolled plate 8.0 - 30.00.31 - 1.18 355 490 - 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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              Min. impact energy for longitudinal testing,
              Charpy V 10x10 mm test specimens
              40 J / -20 °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 (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
                    (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

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

                          Shape

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

                          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