13-3/8" Alloy Steel Surface Casing from China
Threaded and coupled 13-3/8 inch alloy steel surface casing for initial wellbore support in oil drilling operations. Matches HTS 7305.20.60.00 criteria: welded iron/steel tube, circular >406.4 mm OD, alloy, threaded for oil/gas casing use. Prevents collapse during early drilling phases.
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
• Label with exact grade (e.g
• 4130 alloy) and API monogram; ensure thread protector presence
• Pitfall: Surface vs intermediate casing distinction affects no alternative but documentation