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Automotive Seamless Steel Brake Lines from China

Seamless nonalloy steel tubes with thin walls (<4 mm) for hydraulic brake systems in vehicles. Classified in HTS 7304.90.50.00 as seamless pipes of iron/nonalloy steel, not as vehicle parts.

Duty Rate — China → United States

17.5%

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
9903.88.157.5%Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)

Import Tips

Certify compliance with SAE or ISO standards for automotive use without triggering parts classification

Ship in bulk coils, not pre-bent shapes, to maintain tube status vs. finished assemblies

Document wall thickness rigorously to avoid confusion with heavier vehicle frame tubes