339.7 mm OD 15.11 mm WT Alloy Casing from China
Seamless alloy steel casing precisely 339.7 mm (13-3/8 inch) OD with 15.11 mm wall thickness, API 5CT compliant for oil well lining. Classifies HTS 7304.29.4160: correct alloy type, OD range, minimum wall thickness met.
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
• Metric dimensions common internationally; provide both metric/imperial conversions
• Wall thickness exactly 15.11 mm clears 12.7 mm threshold - document precisely
• International mill certificates (EN 10204 3.1) preferred by CBP