Product Code:SAE AMS7718 Title:Nickel-Iron Alloy, Magnetic, Bars, Rods, Tubing, and Forgings, 50Ni - 50Fe Issuing Committee:Ams E Carbon And Low Alloy Steels Committee Scope:This specification covers a magnetically soft nickel-iron alloy in the form of bars, rods, forgings, mechanical tubing, and forging stock.