Tungsten Thermocouple Wire
Tungsten thermocouple wire is a tungsten-rhenium alloy wire used in Type C thermocouples for high-temperature measurement up to 2300Β°C. It is classified under tariff item 8101.96.00 as tungsten wire, as tungsten predominates by weight and the alloy is treated as tungsten under section note 5.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| π¨π³China | Free | β | Free |
| π²π½Mexico | Free | β | Free |
| πΊπΈUnited States | Free | β | Free |
| π©πͺGermany | Free | β | Free |
| π―π΅Japan | Free | β | Free |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the wire is cut to length and welded to form thermocouple junctions
Welded thermocouple assemblies are articles of tungsten.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item β and can price the duty on it in the same conversation.
Import Tips & Compliance
β’ Confirm the tungsten content exceeds 50% by weight to ensure classification as tungsten alloy
β’ Provide alloy composition certificates from the manufacturer
β’ If the wire is supplied in matched pairs for thermocouples, declare them as separate wires
Related Products under Tariff item 8101.96.00
Pure Tungsten Lamp Wire
Pure tungsten lamp wire, drawn to 99.95% purity, is used in specialty lighting filaments where high melting point and durability are essential. It qualifies as tungsten wire under tariff item 8101.96.00, being a drawn product of uniform solid cross-section, not further worked into articles.
Tungsten EDM Wire
Tungsten EDM wire is a high-precision, drawn tungsten wire used in electrical discharge machining, valued for its high melting point and electrical conductivity. It falls under tariff item 8101.96.00 as tungsten wire, provided it is not coated or otherwise processed beyond drawing.
Tungsten Filament Wire
Tungsten filament wire is thin, drawn tungsten wire used as filaments in incandescent and halogen lamps. It is classified under tariff item 8101.96.00 as tungsten wire, distinct from rods or bars, and is not yet formed into finished filaments.
Tungsten Heating Element Wire
Tungsten heating element wire is resistive tungsten wire designed for industrial furnace heating coils, capable of operating up to 3000Β°C. It qualifies as tungsten wire under tariff item 8101.96.00, being a drawn product of uniform cross-section, not yet formed into heating elements.
Tungsten Medical X-Ray Wire
Tungsten medical X-ray wire is high-density tungsten wire used for X-ray tube anodes and targets in medical imaging. It is classified as tungsten wire under tariff item 8101.96.00 before machining into targets or anodes.
Tungsten Microelectronics Wire
Tungsten microelectronics wire is ultra-fine tungsten wire, down to 10ΞΌm, used for bonding in semiconductor packaging. It falls under tariff item 8101.96.00 as tungsten wire, provided it is not coated or processed beyond drawing.