N80 Type 1 Casing Tubing with Premium Coupling from Japan
Welded non-alloy steel N80 Type 1 tubing for gas well casing, supplied with premium threaded couplings for enhanced sealing. This product is imported as a coupled assembly under HTS 7306.29.60.10, designated for drilling and completion in oil or gas wells. Its cross-section suits hollow profiles for fluid conduction in subsurface operations.
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
• Include coupling torque specs and thread type (e.g
• BTC) in documentation
• Ensure no alloy additives to avoid duty shifts
• Common pitfall: incorrect yield strength declaration leading to audits