Chemically, elements such as manganese, silicon, sulfur, phosphorus, copper, columbium, chromium, carbon, cobalt, molybdenum, niobium, tantalum, titanium, aluminum, iron, nickel, boron, etc. must comply with the normative standard ASTM B670. Dangane da tsarin Astm B670, da inel 718 na goge faranti 2.4668 dole ne a yi la'akari da ƙarfi na tensila, ƙarfin samar da ƙarfi da kuma bukatun Elongation. Bugu da kari, alloy 718 Nickel Gaset Stock ana buƙatar zama danniya-racurturtured bisa ga Astm daftarin takaddar kaya a nan.