7306.29.31.00/9-5/8 Inch N-80 Coupled Casing/China

9-5/8 Inch N-80 Coupled Casing from China

N-80 grade coupled casing with 9-5/8 inch outer diameter, designed for intermediate casing strings in oil wells. Classified under HTS 7306.29.31.00 due to its welded steel construction, threaded couplings, and specific use in oil/gas drilling. It provides corrosion resistance and structural integrity in harsh subsurface conditions.

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
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Import Tips

• Include detailed threading specifications (e.g

• EUE or premium) in commercial invoices for customs valuation

• Comply with API Monogram requirements; lack of certification can trigger inspections or delays

9-5/8 Inch N-80 Coupled Casing from China — Import Duty Rate | HTS 7306.29.31.00