18-5/8 inch 87.5 lb/ft L-80 Production Casing from Canada
Seamless 18-5/8 inch L-80 casing for production zones in oil wells, providing pressure containment post-drilling. Nonalloy steel with OD exceeding 406.4mm qualifies under HTS 7304.29.20.80 for drilling-related casing.
Duty Rate — Canada → 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
• Specify collapse and burst pressure ratings matching API 5CT for customs review
• Use protective coatings documentation to justify any surface treatment allowances
• Separate liner vs. full casing shipments to avoid set classification issues