10-3/4 inch 54.5# C110 Coupled Casing from Canada
C110 grade seamless alloy steel surface casing, 10-3/4 inch OD, 54.5 lb/ft, with coupled threads for conductor pipe in offshore rigs. HTS 7304.29.31 applies to its seamless 'other alloy steel' design for oil/gas drilling stability. Resists collapse in unconsolidated 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
• Submit dimensional inspection reports matching API specs; label with grade and size clearly
• Pitfall: classifying short lengths as scrap—ensure drilling end-use proof
• Use ISPM-15 for wood cradles in packaging