ALNICO V-7 is a heat treatable cast alloy of iron, aluminum, nickel, cobalt and copper. It is a permanent magnet alloy having directional magnetic properties and a maximum energy product of 7,500,000 gauss-oersteds. (Also known as ALNICO 5-7) This datasheet provides information on composition, physical properties, hardness, and tensile properties. Filing Code: Fe-29. Producer or source: Arnold Engineering Company.