API 5CT C110 8# 2-3/8" Tubing from China
C110 restricted yield alloy steel seamless tubing, 2-3/8" 8.00 lb/ft for sour service drilling. Wall 5.61 mm provides balanced strength-to-weight. Classified 7304.29.61.15 as other alloy steel oil/gas tubing.
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 special hardness limits; include Brinell test results
• Mark 'Restricted Yield' clearly on commercial invoice
• Avoid bulk packaging that suggests line pipe use