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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.

Under complex working conditions of high temperature, strong corrosion, and high wear, material selection directly determines the life and reliability of the equipment. Due to their comprehensive performance, cobalt-based high-temperature alloys have become "key materials" in the aerospace, energy, and chemical industries. This article analyzes cobalt-based alloys' applicable scenarios and alternatives based on industry technology trends and provides material selection references for industrial users.

Cobalt Alloy Grade UNS R30006 is a high-performance material renowned for its exceptional wear and corrosion resistance at elevated temperatures. Part of the Unified Numbering System (UNS), this cobalt-based alloy offers significant advantages in demanding environments, making it a superior choice for applications that require robust material performance. Similarly, UNS R30016 is another notable grade within the cobalt alloy family, offering enhanced characteristics for specific industrial needs.