Docol® 460LA high strength low alloy

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    General Product Description

    Docol 460LA is available both as hot rolled and cold rolled. Docol HR460LA-UC can after agreement be adapted and delivered as dual certified with S460MC according to EN 10149-2.

    Dimension Range

    Cold rolled / UC: thickness 0.50-2.10 mm, width up to 1527 mm.

    Cold rolled / GI, GA, ZA: thickness 0.80-2.00 mm, width up to 1410 mm.

    Hot rolled / UC: thickness 2.00-6.00 mm, width up to 1600 mm.

    Slit strip and cut to length sheets are available upon request.

    Grade and coating specific restrictions on available dimensions may occur.

    Mechanical Properties

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      Standard Coating Test direction
      Yield strength Rp0.2
      (MPa)
      Tensile strength Rm
      (MPa)
      Elongation A80 1)
      (min %)
      Elongation A5 3)
      (%)
      n10-20/Ag
      (min)
      Min. inner bending radius for a 90° bend 4)
      Docol CR​460LA VDA 239-100 UC L 460 - 580 520 - 680 15 0.10 0.5 x t
      VDA 239-100 GI, GA*, ZA* L 460 - 580 520 - 680 15 2) 0.10 1.0 x t
      Docol HR​460LA VDA 239-100 UC L 460 - 560 520 - 640 16 20 0.7 x t
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      Comparison

        * Available upon request.

        1) A80 value applies for thicknesses < 3.00 mm.

        2) For GA coatings the minimum elongation value is reduced by 2 units.

        3) A5 value applies for thicknesses ≥ 3.00 mm.

        4) In some cases tight bending radius may cause micro-cracking of the coating in the bend area. Where design permits, users are encouraged to employ larger radius.

        Chemical Composition (ladle analysis)

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          Coating C
          (max %)
          Si
          (max %)
          Mn
          (max %)
          P
          (max %)
          S
          (max %)
          Al
          (%)
          Ti
          (max %)
          Nb
          (max %)
          Cu
          (max %)
          Docol CR​460LA UC 0.10 0.60 1.60 0.025 0.010 From 0.015 0.15 0.09 0.20
          GI, GA*, ZA* 0.13 0.60 1.70 0.030 0.025 From 0.015 0.15 0.10 0.20
          Docol HR​460LA UC 0.10 0.50 1.65 0.030 0.025 From 0.015 0.15 0.10 0.20
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          Comparison

            * Available upon request.

            Tolerances

            Cold rolled (UC): Tolerances in accordance to EN 10131.

            Hot rolled (UC): Tolerances in accordance to EN 10051.

            Hot-dip galvanized (GI, GA, ZA): Tolerances in accordance to EN 10143.

            Customized dimensional and shape tolerances are available upon request.

            Coatings

            The metal coating options for Docol products include:

            Hot-dip zinc coating (GI) consists almost entirely of zinc (>99%). It is lead free, resulting in a small zinc spangle size. The coating provides good corrosion protection.

            Galvannealed coating (GA) is a zinc-iron alloy coating having an iron content of approximately 10%. Galvannealed is produced by post-heat treatment in continuous hot-dip coating process. Galvannealed provides excellent resistance weldability and corrosion protection of painted products.

            Galfan coating (ZA) is a zinc-aluminium alloy coating having the eutectic composition approximately of 95% Zn and 5% Al. Galfan is produced in continuous hot-dip coating process. Galfan has better anticorrosive and forming properties than conventional hot-dip zinc coating (GI).

            Grade specific availability of metal coatings for Docol products is given in the Mechanical properties table (Coating).

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              Coating type Coating class Standard Closest in EN 10346, informative Coating mass per side, single spot test (g/m2) Thickness per side informative (µm)
              GI 40/40 VDA 239-100 Z100 40 - 60 5.6 - 8.5
              GI 50/50 VDA 239-100 50 - 70 7.0 - 9.9
              GI 60/60 VDA 239-100 Z140 60 - 90 8.5 - 12.7
              GI 70/70 VDA 239-100 70 - 100 9.9 - 14.1
              GI 85/85 VDA 239-100 85 - 115 12.0 - 16.2
              GI 115/115 VDA 239-100 Z275 115 - 155 16.2 - 21.8
              GA 40/40 VDA 239-100 ZF100 40 - 60 5.6 - 8.5
              GA 50/50 VDA 239-100 ZF120 50 - 80 7.0 - 11.3
              ZA 95 EN 10346 ZA95 7.0 -
              ZA 130 EN 10346 ZA130 10.0 -
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              Comparison

                For hot-dip galvanized (GI, GA, ZA) hot rolled grades, the coating mass tolerance is increased to 30 g/m² by increasing the upper limit.

                Docol metal coated products are available with surface quality for unexposed applications.

                In addition to these coating masses, OEM specific coatings are available upon request.

                Surface Treatments

                Uncoated (UC): available as oiled.

                Hot-dip galvanized (GI, GA, ZA): available as oiled and/or chemically passivated.

                All surface treatments are in accordance with RoHS directive (2011/65/EU) and do not contain Chromium VI (Cr6+). Surface treatments provide only temporary surface protection during transportation and storage. In order to avoid corrosion damages, care must be taken to keep the products dry during transportation and storage. If they become wet, they must be separated and situated so that they are dried quickly.

                Fabrication and Other Recommendations

                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.

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