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Cold-Rolled Seamless Steel Heat Exchanger Tubing from China

Cold-rolled seamless carbon steel tubing for shell-and-tube heat exchangers, 1.25-inch OD x 0.083-inch wall. Classifies HTS 7304.31.60.50 as other cold-reduced seamless tube, not the boiler-specific category. U-bend capable for exchanger configurations.

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

Avoid 'heat exchanger tube' description; use 'mechanical tubing' for 7304.31

Finned or U-bent at import shifts to finished heat exchanger apparatus (8419)