16-Inch OD Welded Oil Well Casing from United States
Heavy-duty welded casing tube of nonalloy steel with a 16-inch external diameter, used in oil drilling to prevent borehole collapse and protect aquifers. The circular cross-section exceeds 406.4 mm, meeting the tariff item's requirements.
Duty Rate — United States → Canada
50%
Rate breakdown
26SUR5050%United States Surtax Order (2026) — 50% on US products
Import Tips
• Ensure the casing is nonalloy steel and the OD exceeds 406.4 mm
• Provide API 5CT documentation
• Verify the welding method (e.g
• ERW) is correctly declared