3-1/2 inch Alloy Steel Tubing for Gas Drilling from China
Seamless 3-1/2 inch OD alloy steel tubing with 8.0 mm wall thickness for gas well drilling operations. Grade 80 material suitable for sour service environments. HTS 7304.23.6030 applies to this seamless alloy drill tubing dimension range.
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
• Include NACE hardness certification for sour service applications
• Specify H2S content threshold in end-use declaration to justify classification
• Ensure dimensional inspection reports match declared OD/wall specs exactly