16 inch 94 lb/ft P-110 Casing from Canada
Heavy-wall seamless P-110 grade alloy steel casing with 16-inch OD, 94 lb/ft, threaded and coupled, designed for high-pressure oil and gas wells. Falls under HTS 7304.29.31.80 as seamless 'other alloy steel' casing for drilling, with OD >406.4 mm and premium yield strength. Used to line wellbores in deep drilling operations.
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 dimensional specs and weight per foot in commercial invoice; API 5CT monogram mandatory
• Pitfall: incorrect OD measurement leading to subheading shift to smaller diameters