P91 Alloy Steel Tube for Refining Furnace from Mexico
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 processing, falling under tariff item 7304.59.00 as an 'other' seamless tube of alloy steel.
Duty Rate — Mexico → Canada
0%
Import Tips
• Ensure the tube meets ASME SA-335 P91 specifications and Canadian refinery standards
• Provide a certificate of analysis
• Check if the product requires special handling for high-temperature service