Docol® 1000DP dual phase

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    General Product Description

    Developed for increased safety in cars. Docol 1000DP steels have excellent forming and welding properties. These steels undergo special heat treatment, producing mainly two phase structure. Ferrite that imparts unique forming properties represents one phase, and martensite that accounts for the strength represents the other phase. Bainite may be present as complementary phase.

    Dimension Range

    Cold rolled / UC, EG: 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 1460 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
      (min %)
      BH2
      (min MPa)
      Min. inner bending radius for a 90° bend 3)
      Docol CR​590Y​980T-​DP VDA 239-100 UC, EG L 590 - 740 980 - 1130 10 30 2.0 x t
      VDA 239-100 GI, GA, ZA L 590 - 740 980 - 1130 10 1) 30 3.0 x t
      Docol CR​700Y​980T-​DP VDA 239-100 UC, EG L 700 - 850 980 - 1130 8 30 2.0 x t
      VDA 239-100 GI, GA*, ZA* L 700 - 850 980 - 1130 8 1) 30 3.0 x t
      Docol CR​700Y​980T-​DP-LCE SSAB UC, EG L 700 - 900 980 - 1130 8 2.0 x t
      VDA 239-100 GI, GA*, ZA* L 700 - 850 980 - 1130 8 1) 30 2.5 x t
      Docol CR​700Y​1000T-​DP SSAB UC, EG T 700 - 950 1000 - 1200 7 2) 2.0 x t
      Docol 1000​DPX VDA 239-100 GI, GA* T 800 - 1000 1000 - 1200 6 30 2.5 x t
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      Comparison

        The testing of mechanical properties of electro galvanized products is conducted without coating.

        * Available upon request.

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

        2) Decreased minimum elongation values apply for product thickness t < 0.70 mm (minus 2 units).

        3) 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
          (%)
          Nb+Ti
          (max %)
          Cr+Mo
          (max %)
          B
          (max %)
          Cu
          (max %)
          Docol CR​590Y​980T-​DP UC, EG 0.18 0.60 1.80 0.020 0.010 0.015 - 1.00 0.10 1.40 0.005 0.20
          GI, GA, ZA 0.20 1.00 2.90 0.050 0.010 0.015 - 1.00 0.15 1.40 0.005 0.20
          Docol CR​700Y​980T-​DP UC, EG 0.16 0.40 1.80 0.020 0.010 0.015 - 1.00 0.10 0.15 0.005 0.20
          GI, GA*, ZA* 0.23 1.00 2.90 0.050 0.010 0.015 - 1.00 0.15 1.40 0.005 0.20
          Docol CR​700Y​980T-​DP-LCE UC, EG 0.16 0.40 1.80 0.020 0.010 0.015 - 1.00 0.10 0.15 0.005 0.20
          GI, GA*, ZA* 0.15 0.8 2.90 0.020 0.005 0.01 - 1.00 0.15 1.40 0.005 0.20
          Docol CR​700Y​1000T-​DP UC, EG 0.18 0.80 1.80 0.020 0.010 0.015 - 1.00 0.10 1.40 0.005 0.20
          Docol 1000​DPX GI, GA* 0.23 1.00 2.70 0.050 0.010 0.015 - 1.00 0.15 1.00 0.005 0.20
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          Comparison

            * Available upon request.

            Tolerances

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

            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).

            Electrogalvanized coating (EG) is applied continuously by electro deposition. The coating consists of zinc (>99%). Electrogalvanized steel is characterized by its excellent surface quality and uniform coating thickness.

            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 -
              EG 25/25 EN 10152 12 - 1.7 -
              EG 50/50 EN 10152 29 - 4.1 -
              EG 75/75 EN 10152 47 - 6.6 -
              EG 100/100 EN 10152 65 - 9.1 -
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              Comparison

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

                In addition to these coating masses, OEM specific coatings and single sided EG 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.

                Electrogalvanized (EG): available as oiled and/or chemically passivated or phosphated.

                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.

                Docol® dual phase steel product offer

                Docol® 500DP dual phase

                Docol® 600DP dual phase

                Docol® 800DP dual phase

                Docol® 1000DP dual phase

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