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Thin-Wall Alloy Steel D-Shaped Tubing from China

Welded D-profile hollow tubes of nickel-alloy steel, wall thickness 3 mm max, for aerospace non-structural supports. Precisely matches 7306.69.70: alloy, welded, noncircular, sub-4mm wall. Excludes riveted or open-seamed closures.

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

Document weld process (e.g

TIG welded); calibrate micrometers for wall checks

Pitfall: bulk vs retail packaging doesn't change but affects value declaration