Most Advanced Construction Material for Typical Boilers
Authors
Prof. Soma Sudhir Pandurang
Mechanical Engineering Department, Brahmdevdada Mane Polytechnic, Belati, Solapur. (IN)
Prof. Jamadar Saiphan Liyakat
Mechanical Engineering Department, Brahmdevdada Mane Polytechnic, Belati, Solapur. (IN)
Article Information
DOI: 10.51583/IJLTEMAS.2025.140600001
Subject Category: Thermal Engineering
Volume/Issue: 14/6 | Page No: 1-4
Publication Timeline
Submitted: 2025-07-02
Published: 2025-07-02
Abstract
Abstract: The development of advanced construction materials for typical boilers has been pivotal in enhancing the efficiency, reliability, and environmental sustainability of power generation systems. Modern boiler designs operate under extreme conditions, including elevated temperatures (up to 700°C) and high pressures, necessitating materials with exceptional mechanical properties and resistance to corrosion, oxidation, and creep.
Key advancements include high-strength steels, nickel-based alloys, and advanced austenitic steels. High-strength chromium steels, such as HCM12, provide an optimal balance of weldability and resistance to creep and corrosion, making them suitable for pressure parts. Nickel-based alloys, such as Alloy 617 and Alloy 625, are integral for components exposed to the highest thermal stresses, offering superior creep strength and oxidation resistance. Austenitic steels, such as Sanicro 25, are widely adopted in superheater and reheater tubes due to their robust high-temperature performance.
Research initiatives, such as the Advanced Ultra-Supercritical (A-USC) Boiler Consortium and the European AD700 program, have driven material innovation, focusing on achieving higher operational efficiencies while reducing greenhouse gas emissions. These projects emphasize material testing and qualification to ensure durability under prolonged high-temperature service.
The ongoing evolution of boiler materials is essential for advancing ultra-supercritical and other next-generation power plants, enabling more efficient energy production with reduced environmental impact. This abstract summarizes the key materials and trends shaping the future of boiler construction.
Keywords
Thermal Engineering
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