NA22H is a nickel-chromium-tungsten-iron alloy having high creep and oxidation resistance. It is recommended for services up to 2200 deg. F. This datasheet provides information on composition, physical properties, and tensile properties as well as creep. It also includes information on corrosion resistance as well as heat treating, machining, joining, and surface treatment. Filing Code: Ni-11. Producer or source: Blaw-Knox Company.