20" Threaded Alloy Gas Well Casing from China
Heavy-duty 20-inch OD threaded alloy steel casing with couplings, used in natural gas well drilling to line deep boreholes. HTS 7305.20.60.00 applies for its oversized circular welded construction, alloy material, and threaded design tailored for gas extraction drilling. Corrosion-resistant for sour gas environments.
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
• Test for H2S resistance if sour service; submit dimensional drawings
• Common issue: Overlooking coupled vs uncoupled declaration