4-1/2 Inch Alloy Steel Spiral Drill Pipe from China
Seamless 4-1/2 inch OD alloy steel drill pipe with spiral design for improved stiffness in directional drilling for oil/gas. Classified in 7304.23.60 as other alloy steel drill pipe, distinguished by specialized geometry for deviated wellbores.
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 engineering drawings showing spiral geometry and confirm seamless alloy steel via ultrasonic testing reports
• Distinguish from coiled tubing by documenting rigid, jointed construction for conventional rotary rigs
• Ensure no plastic coating; coated pipe may classify under 7306 if not drill-specific