14 Inch V150 Sour Service Casing from China
V150 grade seamless alloy steel casing optimized for H2S sour service, 14 inch (355.6 mm) OD, 10.9 mm wall, EUE/HTC threads, used in corrosive gas well environments. Classified in HTS 7304.29.31.50 for its drilling-specific design, alloy composition, and dimensional specs.
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 for sour service compliance; absence causes reclassification risks
• Label exact alloy type (e.g
• 13Cr, duplex) as it affects duty but stays within alloy heading