0.25% Carbon Threshold Billet from Mexico
Precision-controlled carbon steel billets exactly at 0.25% carbon boundary. HTS 7207.20.00 inclusion requires ≥0.25% C in nonalloy semifinished products. Critical for tariff classification certainty.
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
• Independent lab verification at threshold; retain multiple heat analyses; CBP may require arbitration testing