Nicrofer 5219 Nb is a precipitation-hardenable Ni-Cr-Fe alloy containing niobium and molybdenum. The alloy possesses excellent strength to 700 deg (1300 deg F), good corrosion resistance, and good weldability. A growing application is bolting and quick closure devices for the chemical process industry. This datasheet provides information on composition, physical properties, microstructure, hardness, elasticity, and tensile properties. It also includes information on forming, heat treating, and joining. Filing Code: Ni-531. Producer or source: VDM Technologies Corporation. Originally published December 1997, revised January 1998.