Alloy 625 Refining Furnace Tube from Japan
Alloy 625 refining furnace tubes, cold-drawn and seamless, made of heat-resisting nickel-chromium-molybdenum steel. Designed for pyrolysis furnace coils in oil refineries, these tubes withstand carburization and high-temperature cracking. They are classified under tariff item 7304.51.00 as cold-drawn seamless tubes of other alloy steel.
Duty Rate — Japan → Canada
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Import Tips
• Confirm the tube is cold-drawn and seamless, with a mill certificate
• Verify the alloy composition to ensure it qualifies as other alloy steel
• Check if the tubes meet Canadian boiler and pressure vessel codes, as this may affect CBSA clearance