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
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 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