3-1/2 inch 9.3# C95 Tieback Casing from China
Lightweight 3-1/2 inch OD, 9.3 lb/ft C95 alloy seamless tieback casing with threaded premium connections for subsea wellheads. HTS 7304.29.31 covers this specialized drilling casing of other alloy steel. Connects riser to wellhead systems.
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 pressure ratings for subsea use; include connection dope analysis
• Avoid declaring as tubing (smaller ID)
• Use nitrogen purging for internal cleanliness