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304 Stainless Steel U-Tube for Condensers from China

Pre-formed U-bent welded 304 stainless steel tubes with heavy walls for surface condenser tube bundles in marine and power applications. The U-shape facilitates thermal expansion. Classified under HTS 7306.40.50.15 as suitable for condensers despite bending.

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

Specify tube pitch and U-bend radius in import docs to confirm condenser bundle compatibility

Include tube sheet compatibility data if imported with end fittings

Verify if bending constitutes 'further working' affecting classification from straight tubes