Cupro-Nickel 70/30 Instrumentation Tubing
Precision-drawn tubing made from 70/30 cupro-nickel alloy, used in chemical processing plants for instrumentation lines due to its high resistance to corrosive fluids. This product falls under tariff item 7411.22.00 as a tube of copper-nickel base alloy, as defined in subheading note 1(d).
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪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 tubing is made of copper-zinc base alloys (brasses)
Brass tubes fall under a different tariff item within the same subheading.
If the tubing is made of other copper alloys not specified
Other copper alloy tubes are classified separately.
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
• Ensure the tubing is classified as a tube of copper-nickel base alloy, not a part of general use, to avoid misclassification
• Provide a mill certificate or alloy composition analysis to verify the 70/30 cupro-nickel content
• Check if the tubing is subject to any import permits under the Canadian Environmental Protection Act if used in chemical processing
Related Products under Tariff item 7411.22.00
Cupro-Nickel Desalination Plant Pipe
Large-diameter pipe for reverse osmosis desalination plants, leveraging cupro-nickel’s resistance to chloride pitting. This pipe is classified under tariff item 7411.22.00 as a tube of copper-nickel base alloy, per subheading note 1(d).
Cupro-Nickel Heat Exchanger Tubing
Finned or straight tubing from cupro-nickel alloy for HVAC and power plant heat exchangers, offering superior thermal conductivity and erosion resistance. This tubing is classified under tariff item 7411.22.00 as a tube of copper-nickel base alloy, per subheading note 1(d).
Cupro-Nickel Seamless Pipe 90/10
A seamless pipe made from 90% copper and 10% nickel (cupro-nickel alloy), used primarily in marine and desalination applications for its excellent corrosion resistance in seawater. This pipe falls under tariff item 7411.22.00 as a tube of copper-nickel base alloy, as defined in subheading note 1(d).
Nickel-Silver Condenser Tube
A thin-walled tube of nickel-silver (copper-nickel-zinc alloy with ≥5% Ni), designed for heat exchangers and condensers in industrial cooling systems. This tube is classified under tariff item 7411.22.00 as a tube of copper-nickel-zinc base alloy, per subheading note 1(c).
Nickel-Silver Decorative Pipe
Polished nickel-silver pipe used in architectural fixtures and luxury furniture legs for its silver-like appearance and durability. This pipe falls under tariff item 7411.22.00 as a tube of copper-nickel-zinc base alloy, per subheading note 1(c).
Nickel-Silver Hydraulic Tubing
High-pressure tubing for hydraulic systems in aerospace applications, made from nickel-silver for vibration resistance and conductivity. This tubing is classified under tariff item 7411.22.00 as a tube of copper-nickel-zinc base alloy, per subheading note 1(c).