Stainless Steel Friction Weld Drill Pipe 4 Inch Sour Service from China
4-inch OD stainless steel drill pipe with friction-welded tool joints, designed for sour service (H2S) environments in natural gas drilling. Seamless body provides corrosion resistance and strength for directional drilling. HTS 7304.22.00 covers this as stainless steel drill pipe for oil/gas applications.
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
• Document friction welding process and joint efficiency to validate as drill pipe
• Use correct country-of-melt documentation for stainless origin tracing