Safeni 52 is a soft magnetic iron-nickel alloy with high magnetic permeability, low coercive force, a low content of nonmetallic inclusions, and thermal expansion properties that make it suitable for glass-sealing applications. This datasheet provides information on composition, physical properties, hardness, and tensile properties. It also includes information on forming and heat treating. Filing Code: Fe-161. Producer or source: Sandvik Steel Company.