N-80 Type 5 Production Casing 13-3/8 inch 48 lb/ft from China
High-strength N-80 seamless casing with 339.7 mm (13-3/8 inches) OD, used in production zones of gas wells for zonal isolation. Constructed from nonalloy steel per API standards for harsh downhole conditions. HTS 7304.29.50.60 applies to its seamless, nonalloy composition and diameter for 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
• Provide ITP (Inspection Test Plan) and third-party inspection reports to validate seamless manufacturing process
• Declare exact weight per foot and OD tolerances to match statistical reporting requirements