Q125 High Collapse Casing 4 inch Alloy from China
4 inch OD Q125 grade seamless alloy steel casing with proprietary high collapse strength, 9.3 mm wall thickness for HPHT wells. Meets API 5CT premium class. 7304.23.6030 statistical classification.
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 proprietary grade qualification documentation
• Include finite element analysis reports for collapse rating claims
• Separate proprietary grades from standard API grades on invoice