TP321 Stainless Steel Seamless Pipe 4-inch NPS from United States
Seamless TP321 stainless steel pipe, 4-inch nominal pipe size, with circular cross-section, used for high-temperature chemical processing. It is classified as 'other' seamless stainless steel pipe, not cold-worked or for specialized use.
Duty Rate — United States → Canada
50%
Rate breakdown
26SUR5050%United States Surtax Order (2026) — 50% on US products
Import Tips
• Document the TP321 grade and high-temperature application
• Ensure the pipe is not cold-drawn or cold-rolled
• Consider whether the pipe is for chemical processing, which may have additional regulatory requirements