Large Diameter Alloy Steel Pipe for Water Transmission Mains from Japan
This is a longitudinally welded alloy steel pipe exceeding 406.4 mm in external diameter, designed for durable water supply trunk lines in municipal systems. 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 alloy composition provides corrosion resistance for water service.
Duty Rate — Japan → Canada
Import Tips
• Ensure the pipe's external diameter exceeds 406.4 mm and the weld is longitudinal for classification under 7305.31.00
• Have material test certificates confirming the alloy steel grade and corrosion resistance for potable water service
• Check if the pipe meets applicable Canadian standards such as CSA B51 or NSF/ANSI 61 for water contact