Alloy Steel Welded Rectangular Tubing 6x4x6mm from China

Welded rectangular tube made of alloy steel, with external dimensions of 6 inches by 4 inches and a wall thickness of 6 mm, suitable for structural frameworks in heavy machinery. It falls under HTS 7306.69.30.00 as it is a welded tube of noncircular (rectangular) cross-section from alloy steel with wall thickness exceeding 4 mm.

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

Verify alloy steel composition via mill test certificates to confirm classification under 7306, avoiding misclassification as carbon steel

Ensure wall thickness documentation is precise, as under 4 mm shifts to other subheadings

Label as 'structural tubing' not 'pipe' to prevent reclassification under pressure piping headings