Seamless Carbon Steel Heat Exchanger Tube
Seamless carbon steel heat exchanger tube, a nonalloy seamless tube with wall thickness 4 mm+, for shell-and-tube heat exchangers in refineries. It fits under tariff item 7304.90.00 as 'Other' thick seamless steel tubes.
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 heat exchanger tube is made of stainless steel
Seamless tubes and pipes of stainless steel are classified under a different subheading.
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
• Confirm the tube meets ASTM A179 or A106 standards for heat exchanger applications
• Provide detailed specifications and intended use in your customs documentation
• Check for any pressure equipment regulations in Canada
Related Products under Tariff item 7304.90.00
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