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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

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
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)

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