AISI 2330 is a tough, shock resisting, oil hardening 31/2% nickel alloy steel. It is recommended for heavy duty service. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness. It also includes information on forming, heat treating, and machining. Filing Code: SA-131. Producer or source: Alloy steel mills and foundries.