4-1/2 Inch P110 Alloy Steel Drill Tubing from China
High-strength seamless P110 grade alloy steel tubing with 4.5-inch OD for oil well production casing strings. Engineered for extreme tensile strength in deep drilling operations. Falls under HTS 7304.29.61.45 as other alloy steel tubing with OD between 114.3-215.9 mm used in oil/gas drilling.
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 dimensional specs and pressure ratings in commercial invoice to confirm OD compliance
• Obtain pre-shipment inspection certificates from approved bodies like Lloyd's Register for customs clearance
• Avoid reclassification by distinguishing from line pipe (7304.19/7306.19) through end-use documentation