9-5/8" 40 ppf P110 Casing with BTC Coupling from China
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 — China → United States
75%
Rate breakdown
9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) of U.S. note 16 to this subchapter
9903.91.0125%Effective with respect to entries on or after September 27, 2024, articles the product of China, as provided for in subdivision (b) of U.S. note 31 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
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