17-4 PH Precipitation Hardening Stainless Steel Spring Wire from Canada
17-4 PH (precipitation hardening) alloy steel wire designed for high-strength springs and fasteners, with copper and niobium additions. Falls under HTS 7229.90.90.00 as other alloy steel wire not fitting tool steel or ball-bearing steel definitions in U.S. notes. Typically 0.5-5mm diameter, heat-treatable for aerospace applications.
Duty Rate — Canada → 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
• Certify exact chemical composition via heat analysis to confirm 'other alloy steel' status; declare condition (annealed or aged) accurately for valuation; segregate from tool steel shipments to prevent commingling errors