S7 Tool Steel Coil for Shock-Resistant Tools from Mexico
Hot-rolled, irregularly coiled S7 tool steel (0.5% carbon, 3.25% Cr, 1.4% Mo), designed for shock-resistant tools like chisels. Classified HTS 7227.90.20 as other tool steel meeting note (e)(iv): 0.9-1.2% Cr, 0.9-1.4% Mo.
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
• Verify molybdenum (1.4%) and chromium levels match note (e)(iv) exactly via lab certs
• Document end-use as tooling to support classification if audited
• Ensure no cladding/coatings; chapter note 'further worked' exclusions apply