Galvanized Steel HVAC Duct Seals from China
Zinc-plated flat steel strips designed to seal joints in heating and ventilation ductwork, providing airtight and corrosion-resistant connections. Meets HTS 7212.30.10.90 criteria: nonalloy steel, flat-rolled, width <300mm, thickness >0.25mm, zinc-coated. Essential component in commercial HVAC systems.
Duty Rate — China → United States
75%
Rate breakdown
9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) of U.S. note 16 to this subchapter
9903.91.0125%Effective with respect to entries on or after September 27, 2024, articles the product of China, as provided for in subdivision (b) of U.S. note 31 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Document compliance with SMACNA standards for HVAC sealants to support proper flat-rolled classification
• Avoid entries without coating specification; uncoated steel would classify under 7212.10, different duties