1.0mm Heat-Treated Valve Spring Quality Wire from Japan
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 — Japan → United States
10%
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
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