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1.35 mm Valve Spring Steel Wire from Mexico

High-carbon valve spring wire (0.65% C), 1.35 mm round uncoated, patented for engine valve springs. Fatigue-resistant for high-RPM applications. HTS 7217.10.80.75 matches carbon content, diameter, and nonalloy uncoated status.

Duty Rate — Mexico → United States

50%

Rate breakdown

9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) of U.S. note 16 to this subchapter
9903.03.060%Articles of aluminum, of steel, or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; and semiconductor articles, of any country, as provided in subdivision (aa)(v) of U.S. note 2 to this subchapter

Import Tips

Engine manufacturer specs and fatigue test data support classification

Distinguish from suspension spring wire which may have different certifications

Customs may require decarburization layer measurements