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T2 - Thermocouple Alloy ( Ni95/(Al+Mn+Si) 5 )

Material Information

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Common Brand Names:
Alumel® (Hoskins Manufacturing Company)
 
General Description:  

The negative element of the type K thermocouple, the positive being T1. The thermocouple can be used up to 1250C in oxidising atmospheres, and probably is the most common in use.

   

Electrical Properties

Electrical resistivity ( µOhmcm ) 29-33
Temperature coefficient ( K-1 ) 0.0019

Mechanical Properties

Elongation at break ( % ) <44
Izod impact strength ( J m-1 ) 108
Tensile strength ( MPa ) 550-780

Physical Properties

Density ( g cm-3 ) 8.5-8.7
Melting point ( C ) 1315-1390

Thermal Properties

Coefficient of thermal expansion @20-1000C ( x10-6 K-1 ) 16.8
Maximum use temperature in air ( C ) 1100
Thermal conductivity @23C ( W m-1 K-1 ) 30-32
All information and technical data are given as a guide only. Although every effort has been made to ensure that the information is correct, no warranty is given as to its completeness or accuracy.
Standard products are available in these forms
Foil Insulated Wire Rod Sputtering Target Wire

Choose a form to search our on-line catalog