11-3/4 Inch 42# N80 Casing Tubing from China
N80 seamless casing, 11-3/4 inch OD (298.5 mm), 42 lb/ft, 10.9 mm wall thickness, EUE threaded and coupled, nonalloy steel suitable for production casing in gas wells. Classified in HTS 7304.29.10.50 for thin-wall threaded oil/gas casing.
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
• API monogram marking verification required; unmonogrammed may face additional testing demands
• Specify 'casing' vs 'tubing' in docs; tubing sometimes misclassified under 7304.29.20
• Protect threads during shipping to prevent customs rejection for damage