7 Inch L80 Coupled Surface Casing from Japan
7-inch OD L80 nonalloy steel seamless casing with premium threaded couplings, used as surface casing in oil drilling to prevent collapse. Meets API standards for drilling tubing. 7304.29.10 applies to its threaded nonalloy steel construction for oil/gas.
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
• Include hydrostatic test certificates to validate pressure ratings for customs verification
• Differentiate from tubing by specifying 'casing' use; mislabeling as 'tubing' risks 7304.29.20
• Comply with country-of-melt requirements; trace steel origin to origin country for duty calculation