Refinery Furnace Process Tube OD 35mm from Japan
This is a seamless non-alloy steel tube with a 35mm outside diameter, designed for process furnaces in oil refineries handling high-temperature hydrocarbon streams. Its circular seamless construction and suitability for refining furnace applications qualify it under tariff item 7304.39.00, which covers other seamless tubes of iron or non-alloy steel with a circular cross-section.
Duty Rate — Japan → Canada
0%
Import Tips
• Provide the CBSA with the tube's material specification and intended use in refinery furnaces to support the classification
• Verify the tube is not considered a part of general use, which would exclude it from this heading
• Keep documentation of the tube's seamless manufacturing process available for inspection