Incoloy 800 Seamless Boiler Tube
Seamless tube of Incoloy 800 heat-resisting steel alloy used in superheater sections of boilers for elevated temperature steam service. Classified under HTS 7304.59.60.00 for its seamless, circular profile and high-temperature resistance exceeding standard carbon steels.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If made from ferritic stainless steel
Ferritic steel alloy tubes, even heat-resistant, classify under specific ferritic provisions rather than general heat-resisting.
If Threaded or fitted tubes become tube or pipe fittings under heading 7307.
If for specific turbojet engine use
End-use in aircraft engines shifts classification to Chapter 84 machinery parts.
Not sure which classification is right?
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Import Tips & Compliance
• Provide ASME SA213 certification to validate heat-resisting properties and seamless construction
• Declare exact outer diameter and wall thickness accurately to match 7304.59.60.00 specifications
• Watch for undervaluation pitfalls; heat-resisting alloys command higher duties than carbon steel equivalents
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