4 inch C90 Casing with Premium Threads from Canada
C90 grade seamless alloy steel casing, 4 inch OD, wall thickness <12.7 mm, with premium BIG ALPHA VAM threaded and coupled connections for high torque applications. Used in extended reach drilling. Classified 7304.29.31.10 for oil/gas drilling casing specifications.
Duty Rate — Canada → 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
9903.03.060%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
• Premium connection running procedures must be documented
• C90 collapse ratings require validation through FEA analysis records
• Distinguish from standard API connections for proper valuation