... wires), ASTM B 564 (forgings)3.chemical composition chemical composition elementcontent, %Ni63MinCu28Fe2.5Mn2.0C0. ... chemical solvents, ammonia, sulfur, chlorine, hydrogen chloride, various acidic medium such as sulfuric acid, hydrofluoric acid, hydrochloric acid, phosphoric acid, an organic ... feed water heater, pressure vessel equipment oil and chemical pipelines, container, tower, tank, valves, pumps ...