4-inch Sour Service Stainless Steel Drill Pipe from China
Specialized 4-inch (101.6 mm OD) seamless stainless steel drill pipe with 8.2 mm wall, rated for sour service in H2S environments during oil/gas drilling. Classified under HTS 7304.22.0030 for its stainless steel seamless construction and compliant dimensions. Meets API standards with upset ends.
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
• Certify compliance with NACE standards for sour gas; required for customs valuation
• Specify exact alloy grade (e.g
• 316L) in documentation