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Stainless Steel Heat Exchanger Tubing 63.5mm OD from China

Welded TP304 stainless heat exchanger tube, 63.5 mm (2.5") OD, 2.8 mm wall, 9% nickel. HTS 7306.40.50.64 for welded stainless circular tube, thick wall, appropriate OD/nickel. Annealed for thermal transfer efficiency.

Duty Rate — China → United States

35%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 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

Import Tips

U-bent exchanger tubes still classify as tubes if not assembled

ASTM A249/A269 specs common; reference in entry docs