N80 Type Q Nonalloy Drill Tubing 24 Inch OD from China
Seamless N80 Type Q nonalloy steel tubing with 24-inch (609.6 mm) OD, deployed in oil and gas wells for casing and production tubing to withstand corrosive environments. Falls under HTS 7304.29.50.75 as iron/nonalloy seamless tubing >406.4 mm OD used in drilling.
Duty Rate — China → United States
35%
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
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
Import Tips
• Ensure traceability via heat numbers on MTRs linking to nonalloy melt; critical for origin rules
• Document wall thickness and yield strength to support drilling classification over line pipe
• Beware of reclassification if sold in bulk without drilling end-use proof