AISI 4140 Alloy Steel Round Wire 3mm from Mexico
Round wire of chromium-molybdenum alloy steel (AISI 4140) with a diameter of 3 mm, used for manufacturing high-strength fasteners and shafts. Classified under HTS 7229.90.50.51 as other alloy steel round wire with diameter 1.5 mm or more, not meeting specific alloy steel definitions like high-strength, tool, or ball-bearing steel. Supplied in coils for further drawing or cold heading.
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 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
• Provide mill test certificate verifying alloy composition and diameter; ensure wire is not high-strength steel per note (a) to avoid reclassification
• Check for rust/discoloration as no duty allowance per chapter note
• Declare exact diameter measurement method