17-4PH Stainless Alloy Seamless Pipe (Alloy Steel Classification) from United States
Seamless pipe made from 17-4PH precipitation-hardening stainless alloy, with wall thickness exceeding 4 mm, used in aerospace and valve body applications. Despite high chromium content, it is classified as alloy steel tube under this tariff item.
Duty Rate — United States → Canada
50%
Rate breakdown
26SUR5050%United States Surtax Order (2026) — 50% on US products
Import Tips
• Ensure the wall thickness exceeds 4 mm to qualify under this item
• Provide a mill test certificate to confirm alloy composition for CBSA verification