Silicon Chrome Wire Spring from Mexico
Silicon-chromium alloy steel wire spring for high-temperature valves and engines. Classified 7320.90.5020 as other wire spring (≤16mm wire), valued for heat/ fatigue resistance. Automotive and aerospace applications.
Duty Rate — Mexico → United States
52.9%
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
• Chemical composition analysis mandatory for alloy verification
• Temperature ratings in specs distinguish from standard springs