Wind Farm Foundation Alloy Steel Transition Pipe from China
This is a longitudinally welded alloy steel pipe exceeding 406.4 mm in external diameter, connecting the monopile to the tower in offshore wind foundations. 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 API 2W Grade 50 provides offshore-grade strength.
Duty Rate — China → Canada
0%
Import Tips
• Verify the external diameter exceeds 406.4 mm and the weld is longitudinal for classification under 7305.31.00
• Provide material test certificates confirming the API 2W Grade 50 alloy and offshore suitability
• Ensure compliance with Canadian standards for offshore structures, such as CSA S473 or API RP 2A