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Serpentine Stair Tread

Polished serpentine stone treads for interior staircases, known for green hues. Classified HTS 6802.99.00 as worked other building stone.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China6.5%+37.5%44%
🇲🇽Mexico6.5%+10.0%16.5%
🇨🇦Canada6.5%+10.0%16.5%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+12.5%12.5%

Alternative Classifications

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

6802.91Lower: 17.2% vs 44%

If marble-like composition

Serpentine resembling marble may classify there.

7308.90Lower: 12.5% vs 44%

If metal-reinforced treads

Structural metal additions make it fabricated metal.

6810.19.12Lower: 42.4% vs 44%

If with polymer fillers

Filled voids change to artificial stone.

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

• Slip-resistance rating documentation required

• Colorfastness tests for UV exposure claims

• Edge profiling specs in manifests