5-1/2 inch 20# L80 Type 9Cr Casing from Canada
9Cr martensitic alloy steel seamless casing, 5-1/2 inch, 20 lb/ft, L80 grade with threaded couplings for corrosive CO2 environments in gas wells. Precisely matches HTS 7304.29.31 for alloy steel drilling casing. Enhances longevity in acidic formations.
Duty Rate — Canada → United States
10%
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
Import Tips
• Include NACE compliance for sour service grades; verify Cr content for alloy status
• Pitfall: declaring as 'stainless' incorrectly
• Use proper dunnage to prevent thread damage