5 inch K55 BTC Casing from Canada
K55 grade seamless alloy steel casing with 5 inch OD, Buttress Thread Coupling (BTC), wall <12.7 mm for intermediate casing strings in conventional vertical wells. Provides good compression resistance. HTS 7304.29.31.10 threaded alloy steel oilfield casing.
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
• BTC couplings require coupling stock material certificates
• K55 suitable for non-corrosive environments—declare service conditions
• Verify seamless vs. welded status on all documentation