A process for producing a coated steel sheet

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A method for manufacturing a steel sheet and related obtainable at low cost, to provide coated film, on the use of the rare earth elements omitted, the proportions of alloying elements contains only small amounts, the oxidation and corrosion resistance at temperatures of up to 1200 °c this high - has, a functional surface in this temperature range, i.e. an effect against diffusion and good coating adhesion shows connection, further wherein a diffusion annealing is not on, the exhaust gas of internal combustion engines is suitable as a carrier material for close coupled catalysts thus, proposes, that a 15-to-28 wt. -% Chromium, 0.5 - 3.0 wt.% - 0.5 - 2.5% by weight aluminum and - Silicon steel strip having a thickness of up to 3 mm on both sides with tape coated with a layer of aluminum or an aluminum alloy having a silicon content of ≤ 16% is, a quantity of at least 60 g/m wherein the layers on both sides2 and a coating thickness of at least 10 μm and wherein the coated steel strip then to a thickness of 20 to peer 200 μm and a coated steel sheet is produced by this method is rolled.