T1 Thermocouple Alloy Spooled Wire (Ni90/Cr10)

T1 Thermocouple Alloy Spooled Wire (Ni90/Cr10) combines flexibility, high-temperature endurance, and stable thermoelectric output in a format suited for continuous length applications. Its spooled form supports efficient manufacturing, custom cutting, and ease of integration into sensing assemblies, heating elements, and laboratory test rigs. Industries rely on it for high-temperature process control, aerospace engine monitoring, and industrial kiln instrumentation. Specific uses include long-run thermocouple leads, precision wound heater coils, and embedded temperature sensors in composite structures. In research, spooled wire is employed for prototyping thermoelectric devices, investigating alloy stability under cyclic heating, and designing compact thermal sensing systems. The wire’s consistent diameter, mechanical robustness, and thermal accuracy ensure dependable operation in critical measurement and heating applications.

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Tolerance

Properties

Reference & Citations

Health hazard/Hazardous to the ozone layer

Serious health hazard

each

Tolerances

Wire

Diameter		±10%
Length		+5% / -1%

Material Properties for Alloys

Mechanical Properties

Element	Value
Elongation at break( % )	44
Modulus of elasticity( GPa )	186
Izod impact strength( J m⁻¹ )	108
Tensile strength( MPa )	620-780

Electrical Properties

Element	Value
Electrical resistivity( µOhmcm )	70.6
Temperature coefficient( K⁻¹ )	0.00032

Thermal Properties

Element	Value
Maximum use temperature in air( C )	1100
Melting point( C )	1420
Thermal conductivity( W m⁻¹ K⁻¹ )	19@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	17.2@20-1000°C