N80 Type Q Nonalloy Drill Tubing 24 Inch OD from Japan
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 — Japan → United States
50%
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
9903.05.900%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
• 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