10-3/4 inch 45.5 lb/ft N-80 Tieback Casing from Canada
10-3/4 inch OD N-80 seamless steel tieback casing used to extend surface casing strings in deepwater operations. Though marginally over 406.4mm, its oil/gas drilling function places it in HTS 7304.29.20.80.
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
• Critical OD verification needed for 10-3/4" sizes near threshold; provide gauge reports
• Include riser/tieback specific engineering drawings proving drilling application
• Watch for anti-dumping duties on casing from specific countries like China