17-4 PH Stainless Steel Square Billet from Canada
Precipitation hardening 17-4 PH stainless steel in square cross-section with side length <4x thickness (square), primary form for aerospace components. HTS 7224.90.0045 covers alloy steel semi-finished products where width doesn't reach 4x thickness threshold. Stainless steel qualifies as alloy steel under Chapter 72 definitions.
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
• Include precipitation hardening certification; Measure exact square dimensions to confirm <4x ratio; Stainless steel requires corrosion resistance test results if requested by customs