Seamless Alloy Steel Drill Pipe Casing from China
Heavy-duty seamless tubes made from alloy steel with a circular cross section, outside diameter of 168.3 mm, and wall thickness of 25 mm, used as protective casing in oil and gas drilling operations. Classified under HTS 7304.59.80.40 due to seamless construction, alloy steel material, specified diameter range (114.3-190.5 mm), and thick walls exceeding 19 mm.
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
• Verify seamless construction via mill test certificates; welded pipes classify elsewhere
• Confirm alloy steel composition exceeds specified thresholds to avoid base steel headings
• Measure OD and wall thickness precisely; deviations shift to adjacent statistical suffixes