Corrosion-Resistant Alloy Steel Pipe for Desalination Plants from China
This is a longitudinally welded duplex alloy steel pipe exceeding 406.4 mm in external diameter, used for seawater intake in desalination plants. Its circular cross-section and welded construction place it under tariff item 7305.31.00, which covers other welded tubes and pipes of iron or steel with circular cross-sections exceeding 406.4 mm. The UNS S31803 grade provides chloride resistance for marine environments.
Duty Rate — China → Canada
0%
Import Tips
• Verify the external diameter exceeds 406.4 mm and the weld is longitudinal to qualify for 7305.31.00
• Have material test certificates confirming the UNS S31803 duplex grade ready for CBSA inspection
• Ensure the pipe meets applicable Canadian standards for desalination or marine service