P110 High-Collapse Casing from China
P110 grade high-collapse casing designed to withstand formation pressures during oil well cementing and completion phases. Classified in HTS 7306.29.81.50 as other casing for drilling, with enhanced collapse resistance for challenging geologies. Typically features buttress threading for superior torque capacity.
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 collapse test data from independent labs to substantiate high-pressure claims
• Ensure thread protectors are included and documented to prevent damage claims