TP347H Stainless Steel Refining Furnace Tube
Cold-rolled seamless TP347H stainless steel tube, 18 mm outside diameter, for transfer lines in petroleum refining furnaces. The niobium-stabilized grade resists sensitization and offers creep strength at elevated temperatures. This product is classified under 7304.41.00 as a seamless stainless steel tube, cold-rolled, of circular cross-section.
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 tube is hot-finished
Hot-finished seamless stainless steel tubes are classified separately.
If the tube is of alloy steel other than stainless
Alloy steel tubes have a different tariff item.
If imported as a part of a furnace
Parts of furnaces may be classified under Chapter 84.
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 TP347H grade and cold-rolled process with a mill certificate
• The 18 mm diameter is within the scope of this tariff item
• Be aware that tubes for refining furnaces may be subject to additional technical standards; ensure compliance with Canadian regulations
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