13-3/8 Inch 54.5 lb/ft K-55 Casing from China
Threaded and coupled seamless casing made from K-55 nonalloy steel, featuring a 13-3/8 inch (339.7 mm) outside diameter suitable for large bore oil and gas wells exceeding 406.4 mm in application contexts. Used to prevent borehole collapse during drilling. Falls under 7304.29.10.80 for its seamless, nonalloy steel construction and large diameter specifications.
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 detailed grade specifications (e.g
• K-55 yield strength) and threading type (e.g
• BTC) in entry documents
• Conduct pre-shipment inspections for thread integrity to comply with customs physical exams