17-4 PH Precipitation Hardening Stainless Square Stock from Mexico
17-4 PH (17-4-4) martensitic precipitation hardening stainless steel square semi-finished stock with <232 cm² area for aerospace components. Under HTS 7218.99.0015 as square cross-section stainless semi-finished product. Heat treatable for high strength.
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 precipitation hardening certification and condition (H900/H1150); ensure no 'further worked' surface treatments; calculate area from caliper measurements at multiple points