P91 Alloy Steel Tube for Refining Furnace from United States
Grade P91 (9Cr-1Mo-V) seamless tubes are engineered for cracking furnaces in oil refineries, enduring severe thermal cycling and carburizing atmospheres. Their circular seamless construction supports high-pressure hydrocarbon service, it falls under tariff item 7304.59.00 as other seamless tubes of alloy steel.
Duty Rate — United States → Canada
50%
Rate breakdown
26SUR5050%United States Surtax Order (2026) — 50% on US products
Import Tips
• Ensure the tube is seamless and circular
• Provide a certificate of analysis for P91 grade
• Be prepared to demonstrate the tube is not a part of general use