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0.4mm Low Carbon Steel Fine Wire from Japan

Ultra-fine 0.4mm round nonalloy steel wire (<0.25% C), not coated, for electronics assembly and precision instruments. HTS 7217.10.40.90 applies to this polished round wire under 1.5mm diameter. High ductility for fine winding applications.

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

Fine wire requires precise diameter certification; tolerances tighter for sub-1mm sizes

Spool packaging standard; loose wire risks damage claims denial due to rust rules

Distinguish from alloy fine wire (e.g

piano wire) which uses Chapter 72 alloy headings