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Trade press, 2014-10-20, 04:00 pm

ThyssenKrupp Steel Europe displaying car door with new zinc-magnesium coating at EuroBlech: ZM EcoProtect and ZM PrimeProtect offer highly effective all-round corrosion protection for the car body

ThyssenKrupp steel Europe
Door outer panel with ZM EcoProtect zinc-magnesium coating.

With ZM EcoProtect and ZM PrimeProtect, ThyssenKrupp Steel Europe is the first steel producer in the world to offer two highly effective zinc-magnesium-based corrosion protection solutions that meet the high surface requirements for exposed body panels. These zinc-magnesium coatings in outer skin quality for the auto industry will be on display at EuroBlech from October 21 to 25 in Hanover on the ThyssenKrupp Steel Europe booth (hall 17, booth E 33). A door of the demonstrator vehicle on display from the InCar plus project features these special coatings. InCar plus is the biggest ever OEM-independent development project undertaken by an automotive supplier and is focused strongly on automotive efficiency. It combines the automotive expertise of the whole ThyssenKrupp Group, including solutions for coating steel sheet.

ZM EcoProtect and ZM PrimeProtect offer several advantages over established pure zinc coatings. As zinc-magnesium coatings offer significantly higher corrosion protection, coating thicknesses for ZM EcoProtect and ZM PrimeProtect can be reduced by roughly a third compared with conventional solutions. That helps protect the environment, conserves resources and lowers costs. For a mid-size car the zinc saving is two kilograms and more. The improved corrosion protection applies not only to flat surfaces, but above all to cut edges and creep around scratches, both of which are high-risk areas. As a result, the new zinc-magnesium coatings are ideal for components exposed to particularly high corrosion risks.

Sheets with the thin zinc-magnesium coatings also offer enhanced processing properties. Thanks to the hard surface, there is less abrasion in the die, which means more parts can be produced on the press between cleaning intervals. The thinner coating also makes body parts easier to weld. As a result, OEMs benefit from optimized production processes. Moreover, the auto industry can switch to these new corrosion protection solutions without difficulty. ZM EcoProtect coatings offer the same surface finish as high-quality hot-dip galvanized parts. So it is no problem to start by just producing a few parts with the new coating and fitting them in the body. Car buyers will see no difference in the paintwork.

ZM PrimeProtect goes a step further, offering all the advantages of ZM EcoProtect with an even better finish. Press plants and paint shops benefit from improved long waviness and a higher peak count. Combined with good forming behavior in the press plant this results in a premium paint finish – if necessary even without filler; the paint is applied directly to the primer. That saves time and money and benefits the environment.

With the development of ZM EcoProtect and ZM PrimeProtect, ThyssenKrupp Steel Europe is the first steel producer worldwide capable of offering all common automotive coatings also in outer skin quality.

Visit us at EuroBLECH 2014 in Hanover from October 21 to 25, hall 17, booth E 33.

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thyssenkrupp Steel Europe AG

Kaiser-Wilhelm-Strasse 100

47166 Duisburg, Germany

+49 (0)203 52-0

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