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
75%
Rate breakdown
9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) of U.S. note 16 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
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
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