API 5CT L-80 Threaded Casing from China
L-80 grade alloy steel threaded casing with coupled joints, external diameter over 406.4 mm, used to stabilize wellbores during oil extraction. Fits HTS 7305.20.60.00 as welded, large-diameter alloy steel pipe explicitly for drilling casing with threading for assembly. Its high-strength alloy meets demanding downhole conditions.
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
• Include PSL-2 quality level documentation if specified; inspect for thread galling during customs exam
• Pitfall: Failing to declare exact alloy grade risks reclassification