Structural Alloy Steel Large Pipe for Bridge Construction from Mexico
Longitudinally welded alloy steel tubes exceeding 406.4 mm OD used as structural elements in bridge piers and supports. HTS 7305.31.60 covers these large circular welded pipes of alloy steel. High-strength low-alloy (HSLA) grades.
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
• Provide structural engineering specs showing load-bearing use, but note tubes classify by form over function
• Confirm circular cross-section; elliptical variants may shift to hollow profiles in 7306.60