5-1/2 Inch C110 Alloy Production Tubing from China
C110 grade seamless alloy steel tubing, 5.5-inch (139.7 mm) OD, with restricted yield strength for collapse-resistant oil production. API 5CT licensed product. Matches HTS 7304.29.61.45 for alloy steel tubing OD specifications.
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
• C110 requires documented yield strength spread (110-140 ksi) per API 5CT PSL2 standards
• Hydrostatic test certificates at 0.9x minimum yield strength mandatory for entry