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
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Distinguish from stainless via chromium <10.5%; provide heat treatment records
• Use calibrated micrometers for diameter certification