15-5PH Precipitation Hardening Stainless Wire 2.8mm from Mexico
Wait—actually 15-5PH is stainless, so reclassify. Instead: 4130 normalized alloy steel wire 2.8 mm round for aircraft tubing. Under HTS 7229.90.50.51 as other alloy round wire ≥1.5 mm, standard Cr-Mo not meeting chipper knife steel note (f).
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
• Distinguish from stainless via chromium <10.5%; provide heat treatment records
• Use calibrated micrometers for diameter certification