Q125 High Collapse Casing 4 inch Alloy from Japan
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 — Japan → 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 proprietary grade qualification documentation
• Include finite element analysis reports for collapse rating claims
• Separate proprietary grades from standard API grades on invoice