ALNICUS is an oriented permanent magnet alloy having a high energy product of 7.5 million gauss-oersteds. It is produced in three grades, namely, USM 55, USM 65 and USM 75. This datasheet provides information on composition, physical properties, hardness, and tensile properties. It also includes information on heat treating and machining. Filing Code: Fe-23. Producer or source: U.S. Magnet & Alloy Corporation.