Galvanized Steel HVAC Duct Seals

Narrow galvanized flashing strips for sealing HVAC duct joints. Zinc-coated flat-rolled nonalloy steel <300 mm wide, classified under HTS 7212.30.30.00 as other zinc-plated products.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

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

7308.90.95Same rate: 35%

If fabricated into duct structures

Assembled/complex fabricated steelwork shifts from flat products to Chapter 73.

7212.60.00Same rate: 35%

If clad with other metal besides zinc

Coating material specificity—non-zinc cladding uses different subheading.

7210.70.30Same rate: 35%

If painted, varnished, or plastic-coated

Alternative coatings beyond zinc plating classify separately.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Coating must cover entire surface; spot-plating risks uncoated classification

Width includes any adhesive backing if integral—measure total dimension