7-inch High-Strength Drill Pipe for Deepwater from China
Premium seamless 7-inch (177.8 mm OD) stainless steel drill pipe engineered for deepwater oil and gas drilling, with enhanced collapse resistance and sour service compliance (NACE MR0175). Used in extended reach wells for superior hydraulics. HTS 7304.22.00.60 applies for its stainless steel seamless drill pipe design over 168.3 mm OD.
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
• Submit chemical composition analysis confirming stainless steel (min 10.5% chromium) to avoid alloy steel misclassification
• Document manufacturing process to prove seamlessness; ultrasonic testing reports are standard for customs
• Prepare for origin-specific duties; stainless drill pipe from China/India may face additional tariffs