Nickel-Alloy Welded Instrumentation Tubing
Nickel-alloy welded instrumentation tubing is a welded stainless steel tube with a circular cross-section, designed for use in industrial instrumentation systems. It has a wall thickness of less than 1.65 mm and a nickel content exceeding 0.5% by weight, meeting the criteria for tariff item 7306.40.00. The tubing provides corrosion resistance and pressure integrity for accurate measurement and control applications.
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 tubing is seamless rather than welded
Seamless stainless steel tubes are classified under heading 7304, not 7306.
If the tubing is imported with stainless steel fittings
Fittings for tubes or pipes of stainless steel are classified under heading 7307.
If the tubing is part of a complete instrumentation system
Automatic regulating or controlling instruments of Chapter 90 take precedence.
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 nickel content is documented as exceeding 0.5% by weight, as this affects the classification
• Confirm the wall thickness is below 1.65 mm to qualify under this tariff item
• If the tubing is used in pressure systems, verify compliance with Canadian pressure equipment regulations
Related Products under Tariff item 7306.40.00
0.25 Inch OD 304 Stainless Steel Capillary Tubing
Ultra-thin welded 304 stainless capillary tube, 0.25 inch OD, 0.010 inch wall, for gas chromatography. Precision bore for analytical instruments. Falls under tariff item 7306.40.00 as a welded, circular cross-section tube of stainless steel.
17-4 PH Stainless Welded Aerospace Tubing
Precipitation hardened 17-4PH welded tube, 0.75 inch OD, 0.028 inch wall, for aircraft hydraulic lines. High strength-to-weight ratio. Classified under 7306.40.00 as a welded, circular cross-section tube of stainless steel.
1 Inch OD 304 Stainless Steel Instrumentation Tubing
Welded 304 stainless tube, 1 inch OD, 0.035 inch wall thickness, for pressure instrumentation. Used in oil & gas gauges. Falls under 7306.40.00 as a welded, circular cross-section tube of stainless steel.
304L Stainless Decorative Handrail Tubing
#1 finish welded 304L tube, 1.5 inch OD, 0.065 inch wall, for architectural handrails. Mirror polish option available. Classified under 7306.40.00 as a welded, circular cross-section tube of stainless steel.
304 Stainless Steel Condenser Tubing
304 stainless steel condenser tubing is a welded thin-wall tube with a circular cross-section, used in heat exchanger condensers for HVAC systems. It has a wall thickness of less than 1.65 mm and is made from grade 304 stainless steel, qualifying it under tariff item 7306.40.00 for other welded stainless steel tubes. The tubing provides good corrosion resistance and thermal conductivity for efficient heat transfer.
304 Stainless Steel Fountain Pen Nib Tubing
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