... alloy52, a controlled expansion alloy,consisting of 50% Nickel,balance Iron,used in a wide variety of electronic applications. Note ... 52) A controlled expansion alloy, consisting of 51% Nickel, balance Iron, used in a wide variety of electronic applications, especially ... 0.50 maxP: 0.025 maxS: 0.025 maxFe: Balance Typical Mechanical PropertiesAlloy 52 Annealed As Rolled Ultimate Tensile Strength (PSI) ...