API 5CT C110 Sour Service Tubing from China
Seamless C110 alloy steel tubing (OD ≤114.3 mm, wall >9.5 mm) API 5CT certified for H2S sour service in gas wells. HTS 7304.29.61.30 due to alloy steel, seamless, drilling-specific design with thick walls. Prevents cracking in aggressive environments.
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 HIC/SSCC test results per NACE standards; declare as 'sour service' accurately
• Common issue: incomplete traceability docs delay clearance