Industrial Superheater Coil Assembly

Tubular coil assembly that superheats steam beyond saturation temperature in boiler systems, falling under HTS 8404.10.0050 as other auxiliary plant for use with boilers. It improves steam quality for turbine efficiency in power generation.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China3.5%+35.0%38.5%
🇲🇽Mexico3.5%+10.0%13.5%
🇨🇦Canada3.5%+10.0%13.5%
🇩🇪Germany3.5%+10.0%13.5%
🇯🇵Japan3.5%+10.0%13.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

8402.90.00Higher: 39.3% vs 38.5%

If classified as part of steam generating boilers

Components integral to the boiler shell may shift to heading 8402 parts rather than auxiliary equipment.

8411.99.90Lower: 37.4% vs 38.5%

If for turbojet or other gas turbine applications

Superheaters for non-boiler vapor power units go to heading 8411.

Not sure which classification is right?

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Import Tips & Compliance

Provide pressure-temperature ratings and alloy composition to confirm auxiliary status and avoid parts classification

Ensure labeling distinguishes from complete superheater units to prevent reclassification

Watch for anti-dumping duties on certain steel tube imports used in superheaters