METGLAS MBF-50A is a brazing foil in ductile, flexible metallic-glass form (A similar grade, MBF-50, is identical except that it has larger dimensional tolerances). It was developed for high-temperature service. It provides high-strength joints with superior resistance against oxidation and corrosion. This datasheet provides information on composition, physical properties, and microstructure. It also includes information on forming, heat treating, and joining. Filing Code: Ni-349. Producer or source: Allied Signal Corporation.