Protective coating for protecting a structural member against corrosion and oxidation at high temper

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Coating for protecting components against corrosion and oxidation at high temperature comprises (wt%) : rhenium 0.5 - 2; chromium 15 - 21; cobalt 24 - 26; aluminum 9 - 11.5; yttrium, scandium or a rare earth metal 0.05 - 0.7; and ruthenium 0 - 1. The remainder consists of nickel. An independent claim is included for components, especially gas turbine components, with the coating.