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
75%
Rate breakdown
9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) of U.S. note 16 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
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Provide HIC/SSCC test results per NACE standards; declare as 'sour service' accurately
• Common issue: incomplete traceability docs delay clearance