1.0mm Heat-Treated Valve Spring Quality Wire from China
Precisely 1.0 mm heat-treated high-carbon wire (0.68% C) for engine valve springs, non-plated and polished. Classed in HTS 7217.10.80.30 for round wire traits, carbon level, heat treatment, and minimum diameter threshold. High fatigue strength for automotive engines.
Duty Rate — China → United States
75%
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
9903.91.0125%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
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
• Exact 1.0 mm qualifies as '1.0 mm or more'; retain caliper measurements from multiple coil points
• Distinguish heat treatment from mere cold-drawing via microstructure reports if audited
• Label coils clearly with HTS specs to speed customs processing