Metallic protective layer

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The invention relates to a metal protective coating which protects against corrosion and oxidation, in particular for components in turbines, said components being used at high temperatures. The advantageous composition is as follows : 11.5 20.0 wt % chrome, 0.3 1.5 wt % silicone, 0.0 1.0 wt % aluminium, 0, 0-0.7 wt % yttrium and/or at least one metal from the group comprising Sc and rare earth elements, and the remainder being iron and production-related impurities.