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General Product Description

Metal coated formable steels are the right choice when you’re looking for excellent cold formability and galvanic corrosion protection. SSAB Form metal coated steels are mild steels designed for shaped components that are produced by deep drawing, bending or roll forming, for example. These steel grades comply with EN 10346 standard and exceed the standard requirements by better formability and more consistent properties, which increase the productivity in workshop thanks to the stable forming result. The SSAB Form product offering features metal coated formable steels with Zinc (Z), Galfan (ZA) or Galvannealed (ZF) coating. Galvanic corrosion protection of these zinc-based coated products enables a long service life for end products used under corrosive conditions.

Dimension Range

SSAB Form PLX is available in thicknesses of 0.50-0.60 mm and widths up to 1490mm as coils, slit coils and as cut to length in lengths up to 6 meters. Available dimensions depend on the coating.

Mechanical Properties

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    Coating Standard Yield strength Re 1)
    Tensile strength Rm
    Elongation A80
    (min %)
    Z, ZA, Galfan SSAB From 160 2) 320 - 2) 41 2)
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      The mechanical properties are tested in the transversal direction.

      PLX fulfills the requirements of EN 10346 DX54D.

      1) If no pronounced yield point is present, the 0.2 % yield point value Rp0.2 is used. If the product has a pronounced yield point, the values apply to the lower yield point ReL .

      2) Typical value.

      Chemical Composition (ladle analysis)

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        (max %)
        (max %)
        (max %)
        (max %)
        (max %)
        (max %)
        0.12 0.50 0.60 0.10 0.045 0.30
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          Content % by mass.


          The tolerances of metal coated products are mainly in accordance with standard EN 10143. If no special instructions are given on the order, products are delivered with the normal tolerances of this standard. Special tolerances according to standard EN 10143 or other tolerance specification can be agreed separately at the time of order.


          The metal coated products are offered with Zinc (Z), Galfan zinc-aluminium (ZA), or Galvannealed zinc-iron alloy (ZF) coating. The cathodic corrosion protection of these metal coatings is in direct proportion to its thickness, i.e. a thick coating will provide better corrosion protection for the underlying steel than a thin coating. However, thin coatings are recommended for applications with high formability requirements.


          The Zinc (Z) coating has a composition consisting almost entirely of zinc (>99%) and is lead free, resulting in finely crystallized zinc spangle that meets high requirements for visual appearance. It is produced by hot-dip galvanizing process. Thanks to the good formability of lead-free coatings, the corrosion protection, for example, in areas which have been bent is good. The small spangle coating is designated by the letter M.


          Galfan (ZA) is a zinc-aluminium alloy coating with the eutectic composition approximately of 95% Zn and 5% Al. This coating has better anticorrosive and forming properties than normal zinc coatings. Galfan coating can be recognized by its bright metallic and mildly cellular-patterned surface. It is produced by hot-dip coating process.

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            Coating designation Minimum total coating mass, both surfaces *
            Guidance value for coating thickness per surface
            (typical µm)
            Z100 100 7
            Z140 140 10
            Z180 180 13
            Z200 200 14
            Z225 225 16
            Z275 275 20
            Z350 350 25
            Z450 450 32
            Z600 600 42
            ZA095 95 7
            ZA130 130 10
            ZA155 155 11
            ZA185 185 14
            ZA200 200 15
            ZA255 255 20
            ZA300 300 23
            Galfan 255 255 20
            Galfan 300 300 23
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              *In triple spot test.

              In addition to these coating thicknesses defined according to EN 10346, the offering contains different asymmetric coatings, coatings with equal coating minimum mass per surface, and other OEM specifications that are available upon request.

              Surface Quality

              Normal surface (A)

              Imperfections such as pimples, marks, scratches, pits, variations in surface appearance, dark spots, stripe marks and light passivation stains are permissible. Stretch levelling breaks or run-off marks may appear. Coil breaks and stretcher strains may appear as well. Surface quality A has a shiny appearance.

              Improved surface (B)

              Surface quality B is obtained by skin passing. With this surface quality, small imperfections such as stretch levelling breaks, skin pass marks, slight scratches, surface structure, run-off marks and light passivation stains are permissible. Surface quality B has a matte appearance.

              Surface Treatments

              In order to prevent formation of white rust during transportation or storage, the following surface treatments are available:

              Chemical passivation (C)

              Unless otherwise agreed, zinc and Galfan coated coils and sheets are delivered as chemically passivated. A thin passivation layer remains on the surface of the product. The purpose of this is to protect the coating against the formation of white rust during transportation and storage. This treatment is not sufficient, however, for protection under all conditions.

              Oiling (O)

              If required, oiling can be used instead of chemical passivation. Metal coated products to be painted are recommended to be delivered in oiled condition and therefore Galvannealed coated coils are delivered as oiled, unless otherwise agreed. The temporary corrosion protection provided by oil is especially dependent on storage time, and therefore long storage times should be avoided with oiled products.

              Chemical passivation and oiling (CO)

              Passivation with oiling is also available for maximum surface protection.

              Unprotected (U)

              In unprotected condition, i.e. without surface treatment, there is a risk for formation of corrosion products and scratches during transportation, storage or handling. The products are supplied without surface treatment only if explicitly required by the customer on its own responsibility.

              General about surface treatments

              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. White rust tends to form easily on the surface of bright, newly coated coils or in the space between tightly packed sheets if condensed water or rainwater collects on the surface and is not able to evaporate away quickly. In order to avoid white rust, care must be taken to keep the coated products dry during transportation and storage. Condensation may form between laps or sheets due to, for example, daily temperature changes or when bringing cold products into a warm building. If they become wet and white rust begins to form, they must be separated and situated so that they are dried quickly. This will prevent any further formation of white rust.

              Fabrication and Other Recommendations

              For information concerning fabrication, see SSAB´s brochures on 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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