6-5/8 inch X52 Grade Gas Pipeline Pipe 168.3mm OD from Mexico
X52 high-yield strength seamless pipe, 168.3 mm OD for long-distance natural gas transmission. HTS 7304.19.10.30 applies to this nonalloy seamless line pipe size and application.
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
• X52 requires minimum yield strength certification of 52,000 psi
• Mark pipes with API 5L grade, size, and mill info per standard for customs inspection
• For coated pipes, declare coating separately if over 0.6mm thick to avoid double classification