Chrome-Moly P11 Alloy Steel Threaded Coupling 6-inch from United States
A threaded coupling made from P11 grade chrome-moly alloy steel, used in high-temperature power plant steam lines rated up to 600 PSI. The 1.25% chromium content provides elevated temperature strength, and it falls under this tariff item as a threaded sleeve of non-stainless alloy steel.
Duty Rate — United States → Canada
50%
Rate breakdown
26SUR5050%United States Surtax Order (2026) — 50% on US products
Import Tips
• Verify the alloy composition (P11) with a certificate of analysis to confirm it is not stainless steel
• Note that the 6-inch size may require additional documentation for pressure equipment regulations
• Check if the goods originate from a country with a free trade agreement with Canada to claim preferential duty rates