Monel 400 Slab from Mexico
Monel 400 slabs are high-nickel/copper alloy steel semi-finished products (Ni 63-70%) for valves and pumps in seawater applications. Falls under HTS 7224.90.00.05 as other high-nickel alloy steel primary forms. Slabs are thick flat-rolled precursors under 1.5m² cross-section.
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
• Submit heat analysis showing copper/nickel balance for proper alloy verification
• Label shipments clearly as 'primary forms' to avoid finished goods scrutiny
• Check for universal mill plate specs that might trigger alternative classification