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Cobalt Alloy 6 offers exceptional high-temperature wear resistance, corrosion resistance, and toughness, making it ideal for turbine blades, combustion chambers, valves, bearings, and sealing surfaces in aerospace engines.
Steam turbine blades operate in extreme environments with high temperatures, corrosive media, and mechanical stresses. Over time, corrosion and wear degrade blade performance, leading to efficiency losses and costly maintenance. To address these challenges, Alloy 6B/UNS R30016 is a superior material for wear strips and protective overlays on steam turbine blades. This cobalt-chromium-tungsten alloy complies with AMS 5894, combining unmatched corrosion resistance, high-temperature stability, and mechanical durability. This article explores the root causes of turbine blade corrosion and the criteria for material selection.