Incoloy825(UNS N08825/W.Nr. 2.4858) Alloy825 is a nickel-iron-chromium alloy with additions of molybdenum, copper, and titanium.It is designed to provide exceptional resistance to many corrosive environments.It is sufficient for resistance to chloride-iron stress-corrosion cracking, and resistance to reducing environment such as those containing sulfuric and phosphoric acids. Chemical Composition(%): Ni..........................38.0-46.0 Cr..........................19.5-23.5 Fe.............................22.0 Mo............................2.5-3.5 Cu............................1.5-3.0 Ti............................0.6-1.2 C..............................0.05 Mn.............................1.0 S..............................0.03 Si..............................0.5 Al..............................0.2 Physical Constants(room temperature): Density,(g/cm3)8.14 Melting Range 1370-1400 Specific Heat,(J/kg) 440 Electrical Resistivity,(m) 1.13.