3.5-inch API Spec 5DP Stainless Drill Tubing from China
Seamless stainless steel drill tubing with 88.9 mm OD and 7.3 mm wall thickness, compliant with API 5DP standards for oilfield drilling. Classified under HTS 7304.22.0030 as stainless steel drill pipe with OD ≤168.3 mm and wall ≤9.5 mm used in oil or gas drilling. It includes upset ends for welding tool joints.
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
• Obtain API 5DP certification documents; customs often requires proof of compliance for drill pipe
• Label clearly as 'drill pipe for oil/gas' to distinguish from casing or tubing