7 Inch L80 13Cr Corrosion-Resistant Casing from China
7-inch L80 grade casing featuring 13% chromium content for sour gas environments in oil drilling, welded construction without fittings. Falls under HTS 7306.29.41.00 for other steel casing used in oil or gas drilling. Provides high collapse resistance for production casing strings.
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 compliance with NACE MR0175 for sour service; label with exact Cr content
• Common issue: misdeclaring as line pipe under 7304/7306