6-5/8 inch H-40 Casing with BTC Threads from Canada
Seamless H-40 grade nonalloy steel casing, 168.3 mm OD, 16.0 mm wall, buttress threaded and coupled (BTC) for oil drilling. Under HTS 7304.29.10.20 for seamless nonalloy casing used in oil/gas drilling, small OD, heavy wall design. Suited for surface casing protection.
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
• Provide BTC thread gauge reports and yield strength certs
• Use 'casing' not 'pipe' in descriptions
• Pitfall: diameter rounding errors shifting OD classification