AISI 4140 Chromium-Molybdenum Alloy Steel Wire from Mexico
AISI 4140 chromoly wire for machinery parts and fasteners, containing 0.4% carbon, 1% chromium, 0.2% molybdenum. HTS 7229.90.90.00 covers this as other alloy steel wire, not qualifying as tool steel per U.S. note (e). Supplied in drawn condition, 1-10mm diameter.
Duty Rate — Mexico → 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 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; patented pharmaceutical articles; and semiconductor articles, as provided in subdivision (f) of U.S. note 52 to this subchapter
Import Tips
• Include carbon equivalence calculations if heat-treated; declare tensile strength for potential high-strength steel review; avoid bundling with carbon steel to prevent misclassification