</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Chrome-Moly Alloy Steel Flat-Oval Tube from China

Welded flat-oval profile tubes of 4130 chrome-moly alloy steel, 2.5 mm wall, for bicycle frame prototypes. Classed in 7306.69.70 for thin-walled, noncircular welded alloy steel. Distinguishes from sports equipment finished goods.

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

Certify chrome-moly composition per ASTM specs; photograph cross-sections

Pitfall: declaring length affecting 'tube vs profile' but form governs