T1 - Thermocouple Alloy ( Ni90/Cr10 )

Material Information

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Common Brand Names:
Chromel® (Hoskins Manufacturing Company)

General Description:
The positive element of the type K thermocouple alloy the negative being T2. The thermocouple can be used up to 1250C in oxidising atmospheres and is the probably the most common in use. It is also the positive element of the type E thermocouple with Constantan as the negative; the thermoelectric power of type E thermocouples is the highest amongst all standard couples

Electrical Properties

Electrical resistivity ( µOhmcm )	70.6
Temperature coefficient ( K^-¹ )	0.00032

Mechanical Properties

Physical Properties

Density ( g cm^-³ )	8.5
Melting point ( C )	1420

Thermal Properties

Coefficient of thermal expansion @20-1000C ( x10^-⁶ K^-¹ )	17.2
Maximum use temperature in air ( C )	1100
Thermal conductivity @23C ( W m^-¹ K^-¹ )	19

Standard products are available in these forms


Foil	Insulated Wire	Microfoil	Rod	Sputtering Target	Wire

Choose a form to search our on-line catalogue