Allegheny Ludlum Moly Permalloy is a nickel-iron-molybdenum alloy having excellent permeability and core loss properties. It has high initial and maximum permeability, low coercive force, and low hysteresis loss. It is recommended for toroids, tape and lamination cores. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Ni-144. Producer or source: Allegheny Ludlum Steel Corporation.