API 5CT C110 Alloy Steel Tubing 18-inch from China
C110 controlled yield strength alloy steel seamless tubing, 457.2 mm OD, for extended reach drilling. Resists sulfide stress cracking in H2S environments. Meets 7304.29.61.75 criteria as other alloy steel, seamless, large OD for gas drilling.
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 non-stainless alloy via ASTM A370 mechanical tests in entry docs
• Pre-clear with binding ruling if tubing has non-standard wall thickness
• Insure against thread damage; customs may reject visually imperfect oilfield tubing