Alloy 625 Seamless Pipe from Mexico
Seamless pipes of Inconel Alloy 625, high-nickel alloy steel (58% min nickel), for aerospace and marine exhaust systems requiring oxidation resistance. Under 7304.49.00.05 as seamless, circular cross-section stainless high-nickel steel.
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
• Use ASTM B444 certification for material specs; mismatches lead to duty adjustments
• Ship in bulk to avoid retail packaging misclassification as finished goods
• Pre-clear with customs on nickel assays—over 50% nickel confirms high-nickel status