Incoloy 825 Incoloy 825 (Nickel-Iron-Chromium alloy) with addition of copper and molybdenum .Against aqueous corrosion it has better resistance as compared to Incoloy 800, otherwise both are same .To provide exceptional resistance against many corrosive environments is how the chemical composition of Incoloy 825 is designed .Incoloy 825 is specially resistant to sulfuric and phosphoric acids. Chemical Composition Incoloy 825 Ni38.0 46.0 Cr19.5 23.5 Fe22.0 min Mb2.5 3.5 Ti0.6 1.2 Cu1.5 3.0 Mn1.0 max C0.05 max S0.03 max Al0.2 max Si0.5 max
