15-1/2 Inch Heavy Wall Alloy Casing from Mexico
Seamless 15-1/2 inch (393.7 mm OD) P110 alloy steel casing with 22 mm wall thickness for high-pressure conductor strings. Fits HTS 7304.29.4160 specifications precisely: other alloy seamless, OD 285.8-406.4 mm, wall ≥12.7 mm.
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
• Conductor casing requires special buoyancy documentation for offshore imports
• Wall thickness >20 mm may trigger additional structural steel scrutiny
• Specify API grade and connection type (BTC, STC, etc.) on all paperwork