A nonmagnetic nickel-chromium alloy, Inconel 660A bar exhibits high temperature strength and excellent corrosion resistance. It performs well in temperatures ranging from cryogenic up to 2000°F and its high temperature strength is comparable to 18-8 alloys. Alloy 660A bar is highly resistance to organic and inorganic corrosives, with its high nickel content providing excellent resistance to alkaline solutions and chlorideion stress cracking and its chromium content providing resistance to sulfur compounds. It is also resistant to steam, steam/air mixtures and carbon dioxide. It has good workability and is weldable.