Tungsten Thermocouple Wire from United States
Tungsten thermocouple wire is a tungsten-rhenium alloy wire used in Type C thermocouples for high-temperature measurement up to 2300°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.
Duty Rate — United States → Canada
0%
Import Tips
• Confirm the tungsten content exceeds 50% by weight to ensure classification as tungsten alloy
• Provide alloy composition certificates from the manufacturer
• If the wire is supplied in matched pairs for thermocouples, declare them as separate wires