20-Inch Conductor Casing Pipe from China
Extra-large welded nonalloy steel conductor casing with 20-inch external diameter (>406.4 mm), installed first in offshore/onshore drilling to support initial borehole and resist high loads. HTS 7305.20.4000 covers this as 'other' iron/nonalloy steel casing for oil/gas drilling. Built for structural integrity in surface sections.
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
• Include hydrostatic test certificates showing pressure ratings to prove drilling end-use
• For bulk shipments, ensure container loading plans account for 20+ ft lengths to prevent damage claims