9-5/8" 40 ppf P110 Casing with BTC Coupling from Germany
High-strength P110 grade seamless alloy steel casing, 9-5/8" OD (244.5 mm), 40 lb/ft, with buttress thread couplings (BTC) and 9.2 mm wall thickness for deep well applications. Used in high-pressure oil and gas drilling operations. Fits 7304.29.31.30 as threaded/coupled seamless alloy casing with OD 215.9-285.8 mm and thin walls.
Duty Rate — Germany → 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 detailed grade certificates confirming P110 properties; declare exact OD and wall thickness measured per API specs
• Pitfall: incomplete coupling descriptions causing classification as uncoupled tubes under 7304.29.50