9-5/8 Inch N-80 Coupled Casing from Canada
N-80 grade coupled casing with 9-5/8 inch outer diameter, designed for intermediate casing strings in oil wells. Classified under HTS 7306.29.31.00 due to its welded steel construction, threaded couplings, and specific use in oil/gas drilling. It provides corrosion resistance and structural integrity in harsh subsurface 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 detailed threading specifications (e.g
• EUE or premium) in commercial invoices for customs valuation
• Comply with API Monogram requirements; lack of certification can trigger inspections or delays