Marinel 220 is a copper alloy of 18% Ni with high manganese and aluminum. It develops high strength with excellent corrosion resistance. It is the successor alloy to Marinel (see Alloy Digest Cu-602, December 1995). This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on corrosion resistance as well as forming and machining. Filing Code: CU-736. Producer or source: Langley Alloys.