Alloy 825 Heat Exchanger Process Tube
Seamless Incoloy Alloy 825 (N08825) tube for sour gas heat exchangers in upstream oil and gas, made of Ni-Fe-Cr-Mo-Cu for H2S service. These tubes are of circular cross-section and are classified under tariff item 7304.49.00 as other seamless stainless 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 tubes are cold-drawn or cold-rolled
This subheading covers cold-drawn or cold-rolled seamless stainless steel tubes and pipes, which may apply depending on the manufacturing process.
If the tubes are parts of heat exchange units
Parts of heat exchange units are classified under Chapter 84, not Chapter 73.
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 UNS N08825 alloy composition with a mill certificate
• Ensure the tubes are not classified as parts of heat exchangers under Chapter 84; if they are specifically shaped for a heat exchanger, they may be classified elsewhere
• Provide detailed specifications, including length and diameter, to facilitate classification
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