Tubes comprised of a ferritic boiler steel core with an austenitic, corrosion-resistant cladding of INCONEL® alloy 625 offer a unique combination of properties for service in aggressive elevated temperature conditions such as those encountered in many power and process boilers. Ferritic steels are favored for steam service because they are essentially immune to chloride stress corrosion cracking (SCC). Unfortunately, such steels have very marginal resistance to the aggressive corrodents in boiler environments. INCONEL alloy 625, however, offers excellent resistance to corrosive attack. Thus, ferritic steel tubes clad with INCONEL alloy 625 are ideal for steam service in boilers, especially those exhibiting very corrosive conditions.

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Technical Bulletin (PDF, 181KB)

Available Product Forms: Tubing

Technical Papers
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