14 Inch 54# K55 Intermediate Casing from Canada
K55 seamless intermediate casing, 14 inch (355.6 mm) OD, 54 lb/ft, 12.2 mm wall thickness (under limit), LTC threaded couplings, nonalloy steel for corrosive environment wells. Perfect match for HTS 7304.29.10.50 thin-wall category.
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
• Drift mandrel test results confirm internal diameter for customs dimensional check
• Specify exact thread form (LTC/STC/BTC) in entry docs
• Galvanized coating? Reclassifies to surface-treated steel headings