13-3/8 Inch K55 Surface Casing for Gas Wells from China
Heavy-duty 13-3/8 inch K55 grade welded steel surface casing pipe used in gas well drilling to protect freshwater aquifers and provide structural support. It qualifies for HTS 7306.29.41.00 as other iron or steel casing specifically for oil or gas drilling operations, excluding those with connectors. Standard API dimensions ensure compatibility with rotary drilling rigs.
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 end-use statement confirming oil/gas drilling application; maintain traceability via heat numbers
• Avoid pitfall: shipping with loose couplings, which may trigger 7306.19 classification