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Grade K55 Oil Well Tubing with Coupling from China

Grade K55 non-alloy steel tubing designed for oil well production and drilling, imported with integral couplings for casing strings. Classified under HTS 7306.29.60.10 due to its welded construction, non-alloy composition, and inclusion of couplings as a complete assembly for drilling use. It meets API specifications for pressure resistance in downhole 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

Provide detailed API grade markings and hydrostatic test certificates

Watch for misdeclaration as casing vs tubing based on OD/ID ratios

Use ISPM-15 compliant packaging for threaded ends