Stainless Steel 20-inch OD Welded Duct Pipe
Large 508 mm OD longitudinally welded stainless steel pipe used as industrial ducting for corrosive gas exhaust systems. The welded circular construction and large diameter classify this product under tariff item 7305.31.00. Its corrosion-resistant properties make it suitable for aggressive chemical environments.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | +50.0% | 50% |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the duct pipe is seamless
Seamless pipes of circular cross-section exceeding 406.4 mm are classified under heading 7304.
If the external diameter is 406.4 mm or less
Smaller diameter welded pipes fall under heading 7306.
If the duct is part of a prefabricated structure
Structures and parts of structures of iron or steel are classified under heading 7308.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Document the external diameter (508 mm) and confirm the longitudinal weld on the shipping documents
• Specify the stainless steel grade and any corrosion-resistant coatings in the product description
• Check if the duct pipe is part of a larger ventilation system that might affect classification
Related Products under Tariff item 7305.31.00
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