SOFT MAGNETIC IRON COBALT ALLOY Hiperco 50 Composition (Nominal):Fe49, V2 , Co 50, :)Hiperco 50 Alloy is an iron-cobalt-vanadium soft magnetic alloy which exhibits high magnetic saturation (24 kilogauss), high D.C. maximum permeability, low D.C. coercive force, and low A.C. core loss. :) Specifications: ASTM A801 Alloy Type 1, MIL A 47182