The use of flux-cored arc welding (FCAW) is rapidly gaining acceptance in a variety of industries. Much of the gains are due to advances in manufacturing technology that result in superior wires that satisfy both technical and operability concerns. Additionally, productivity gains and the ability to use unsophisticated welding equipment have made these wires very popular. This paper concentrates on FCAW wires that have been formulated to address chromium-molybdenum, nickel base, and stainless steels for high-temperature and environmental applications. Mechanical properties, including creep rupture strength and ductility data, as well as corrosion in environmental components, are discussed.

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