3-1/2 inch 13.7 lb/ft P110 Surface Casing from China
P110 high-strength seamless alloy surface casing, 3-1/2 inch OD, 13.7 lb/ft weight, 13+ mm wall with surface couplings for conductor applications. Fits HTS 7304.29.31.20 criteria for small OD, thick-walled, coupled alloy steel pipes used in oil well drilling.
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
• Include hydrotest pressure certificates; avoid shipping loose threads—use thread protectors
• Verify PSL-2 certification for sour service grades