4.5-inch OD Super Duplex Line Pipe from United States
Super duplex stainless steel welded line pipe, 4.5-inch (114.3 mm) OD, for high-pressure oil gathering. Its welded construction and stainless steel composition qualify it as line pipe for oil pipelines. The diameter is at the threshold for this tariff item.
Duty Rate — United States → Canada
50%
Rate breakdown
26SUR5050%United States Surtax Order (2026) — 50% on US products
Import Tips
• Confirm the super duplex grade and provide material certificates to support classification
• Ensure the pipe meets Canadian oil pipeline standards
• Verify if the pipe requires Canadian Registration Numbers for pressure applications