Nicrofer 3033, or Alloy 33, is a 31Ni-33Cr austenitic alloy with high nitrogen. The alloy has resistance to strongly oxidizing media, localized corrosion, and caustic media. It is used in sulfuric acid production. See also Alloy Digest Ni-508, revised February 2004. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: SS-687. Producer or source: VDM Technologies Corporation.