Heavy Wall N80 Nonalloy Tubing 4 Inch OD 14.0 lb/ft from China
Seamless tubing equivalent to N80 grade nonalloy steel, 101.6 mm OD, 12.7 mm wall for gas well production. Designed for corrosive environments in drilling operations. Classifies in 7304.29.5030 for its seamless nonalloy construction and thick walls exceeding 9.5 mm.
Duty Rate — China → United States
75%
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
9903.91.0125%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
9903.03.060%Articles of aluminum, of steel, or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; and semiconductor articles, of any country, as provided in subdivision (aa)(v) of U.S. note 2 to this subchapter
Import Tips
• Submit heat treatment records showing normalized/quenched properties for grade verification
• Bundle in protective shipping caps to prevent thread damage, which could trigger parts classification
• Avoid bulk packaging mislabeled as scrap—clearly mark as new oilfield tubing