Schedule 80 Seamless Carbon Steel Pipe 3-inch OD from Mexico

Heavy-duty seamless pipe with 88.9 mm OD and 14.3 mm wall thickness, Schedule 80 rating for industrial pressure applications. Classified under HTS 7304.39.0032 for its non-alloy steel construction, circular profile, and thick walls exceeding 12.7 mm. Used in refineries, chemical plants, and structural supports.

Duty Rate — Mexico → United States

10%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter

Import Tips

Provide ASTM A106 or A53 grade certifications; mismatch in grade can lead to alloy reclassification

Declare exact wall thickness from caliper measurements; over-tolerance claims common pitfall causing duty disputes

For pressure-rated pipes, include design pressure calculations if end-use suggests boiler tube potential