Seamless Steel Structural Hollow Section 16-inch OD 20mm Wall from Mexico
Circular seamless hollow structural section (HSS) of nonalloy steel, 16-inch (406.4 mm but exceeding in variants) OD and 20 mm wall for building columns. HTS 7304.39.0080 applies to these large, thick-walled seamless profiles of circular cross-section. Used in high-rise construction.
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
• Certify to ASTM A500 or A1085 for structural use; non-certified may face engineering rejection
• Measure wall precisely post-manufacture; thinning during production can drop below 19mm
• Declare as 'hollow profiles' if marketed for structures to align with notes