4 inch OD Alloy Steel Oil Well Casing Pipe from United States
Seamless alloy steel casing pipe with a 4 inch (101.6 mm) outside diameter and 9.2 mm wall thickness, used to line oil and gas wells during drilling. Premium grade P110 alloy steel for high-pressure environments, classified under tariff item 7304.23.00.
Duty Rate — United States → Canada
50%
Rate breakdown
26SUR5050%United States Surtax Order (2026) — 50% on US products
Import Tips
• Clarify whether the casing is used as drill pipe or as well casing; if the latter, it may fall under a different heading
• Provide P110 grade certification and dimensional data
• Check if the casing is for oil or gas drilling to confirm classification