API 5CT L-80 Threaded Casing from Canada
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 — Canada → United States
50%
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
9903.05.900%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
• Include PSL-2 quality level documentation if specified; inspect for thread galling during customs exam
• Pitfall: Failing to declare exact alloy grade risks reclassification