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NIMONIC® alloy 81

A precipitation-hardenable nickel-chromium alloy with enhanced resistance to high-temperature corrosion. The excellent hot-corrosion resistance of the alloy results from its high chromium content of 30%. It has good tensile and rupture strength and creep resistance at elevated temperatures. For gas turbines, piston-engine exhaust valves, and furnace equipment subject to attack by deposits resulting from combustion of impure fuels, particularly those containing alkali metal sulfates and chlorides.

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Technical Bulletin (PDF, 442KB)

Available Product Forms: Round bar

Technical Papers
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