Permendur 49 is an alloy with nominal composition 49% cobalt, 49% iron and 2% vanadium which combines high saturation with high permeability. It can be supplied as forged section, or strip normally in the range 0.1 to 1.0 mm (0.004 to 0.94 in.) thickness. This datasheet provides information on composition, physical properties, elasticity, and tensile properties. It also includes information on heat treating and machining. Filing Code: FE-126. Producer or source: Carpenter Technology Corporation.