Metal powder and process therefor

摘要

A metal powder which is used, in particular, for producing a corrosion-resistant protection on finned walls and superheater tubes in sulphur-containing heating gases, employed in combustion installations with surface temperatures of more than 400@C, has the following composition: Cr 15.0% to 35.0%, Mn 0.05% to 3%, Mo 0.05% to 5%, C 0.1% to 3%, Si 0.1% to 3%, Al 2.0% to 15%, the remainder being Fe, and with a surface area of more than 200 cm<2>/g.