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Clay Refractory Pipe

Heavy clay refractory pipes for high-temperature gas transport in furnaces. Listed as 'pipes' in 6903, clay material specifies 6903.90.00.10 reporting.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+37.5%37.5%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+12.5%12.5%

Alternative Classifications

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

6902.90.10Same rate: 37.5%

If silica brick pipe sections

Silica-based pipes classify under 6902.

7304.19.10Higher: 75% vs 37.5%

If metal-ceramic composites

Cased pipes may be metal articles.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.

Import Tips & Compliance

• Provide pressure/temperature ratings for industrial verification

• Segment long pipes properly for containerization

• Confirm not Chapter 69 exclusions for building materials