Heavy Wall Seamless Steel Casing Pipe 10-inch OD 30mm Thick from Japan
Seamless non-alloy steel casing pipe with 254 mm OD and 30 mm wall thickness, used for oil well drilling to line boreholes. Classified under HTS 7304.39.0056 for its iron/non-alloy steel composition, circular seamless profile, and thick walls over 19 mm in the 190.5-285.8 mm OD range. Essential for structural support in petroleum extraction.
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 hydrostatic test certificates proving pressure integrity; check for anti-dumping duties on casing from certain origins
• Pitfall: confusing casing with tubing—casing has thicker walls
• Include chemical composition analysis in entry docs