4-1/2 Inch Liner Casing from Canada
Slotted or blank 4-1/2 inch liner casing hanger extensions for tie-back in extended reach oil wells, non-alloy steel welded construction. Under HTS 7306.29.2000 as drilling casing 'other', extends production intervals without full recementing. Hanger-compatible threading.
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
• Distinguish liners from tubing via overlap design docs to maintain casing heading
• Pre-inspect for ID/OD gauge compliance to speed customs release