4-1/2 inch 16.60 lb/ft P110 Alloy Steel Casing Pipe from Canada
Seamless P110 grade alloy steel casing with 4.500 inch OD (114.3 mm < 215.9 mm) and wall thickness of 12.7 mm exactly, weighing 16.60 lb/ft, used in high-pressure oil and gas wells. Classified under HTS 7304.29.4120 for other alloy steel casing with thick walls for drilling applications. Provides structural support in well construction to prevent collapse.
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
• Ensure entry documents include precise OD (e.g
• 114.3 mm) and wall thickness measurements certified by an independent inspector
• Declare as 'oilfield casing' not generic pipe to avoid reclassification; include PSL-2 quality level evidence