API 5CT N80 Casing from China
N80 grade casing per API 5CT, non-alloy quenched-and-tempered steel for high-pressure oil/gas drilling environments. Falls under HTS 7306.29.2000 as 'other' nonalloy casing, used in challenging formations requiring elevated yield strength. Welded with EUE (External Upset End) threading.
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 heat treatment records proving N80 properties to avoid downgrade to lower-grade headings
• Ensure thread protector compliance for safe transport without damage claims