Duplex Stainless Steel 18-inch Welded Pipe from China
This is a duplex 2205 stainless steel longitudinally welded pipe with a 457 mm external diameter, designed for high-strength subsea oil and gas flowlines. 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 duplex grade provides high strength and corrosion resistance.
Duty Rate — China → Canada
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- GAC
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Global Affairs Canada: GAC Steel (Carbon Steel) requires review / declaration data. CBSA's Single Window matching criteria match this classification number (Within Range 7304000000–7306999999).
CBSA Single Window matching criteria, unknown
Import Tips
• Ensure the external diameter exceeds 406.4 mm and the weld is longitudinal for classification under 7305.31.00
• Provide material test certificates confirming the duplex 2205 grade and subsea suitability
• Verify compliance with Canadian standards for subsea pipelines, such as CSA Z662 or API 5L