Nickel Thermocouple Base Wire Type K
Nickel thermocouple base wire, Type K, made of pure nickel and used as the negative leg in Type K thermocouples for temperature sensors. This product is supplied in straight lengths and is not cold-formed, classified as non-alloyed nickel wire under tariff item 7505.21.00.
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 wire is part of a complete thermocouple or temperature sensor
Thermometers and pyrometers, including thermocouples, are classified under heading 9025.
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 wire is not cold-formed and meets the definition of wire
• Provide a mill certificate confirming nickel purity
• If the wire is part of a complete thermocouple assembly, it may be classified under Chapter 90
Related Products under Tariff item 7505.21.00
Cold-Formed Nickel Anode Wire
Cold-formed pure nickel wire in thin, uniform diameters, used as anodes in electroplating baths. The cold-forming process and non-alloyed nickel composition meet the tariff item's requirements for wire of nickel, not alloyed.
Cold-Formed Nickel Jewelry Wire
Fine-gauge pure nickel wire cold-formed for artisan jewelry making and wire wrapping. Its non-alloyed composition and cold-formed wire form qualify it under this tariff item for nickel, not alloyed.
Cold-Formed Nickel Mesh Weaving Wire
Uniform pure nickel wire cold-formed for industrial mesh weaving in filters and screens. The wire is non-alloyed and cold-formed, matching the tariff item's scope for nickel wire, not alloyed.
Cold-Formed Nickel Spring Wire
High-strength pure nickel wire cold-formed for manufacturing compression and extension springs in corrosive environments. The cold-worked, non-alloyed nickel wire form fits this tariff item.
Cold-Formed Nickel Thermocouple Wire
Pure nickel wire cold-formed for Type K thermocouples, providing reference junction stability. The non-alloyed composition and cold-formed wire form align with this tariff item.
Cold-Formed Pure Nickel Battery Tab Wire
Thin, cold-formed nickel wire used for battery tabs and connections in rechargeable cells. It qualifies as cold-formed wire of non-alloyed nickel, prized for conductivity and corrosion resistance.