Iron TC

Thermocouple Iron

Thermocouple Iron is a specially developed pure Iron which, when used with the appropriate Copper Nickel alloy, forms a thermocouple pair with thermal e.m.f characteristics in accordance with Type J.

E.m.f.

International and other national specifications are available on request.Material is normally produced to provide an e.m.f. to BS EN 60584-1 1996 Type J with tolerances

to Type J (Thermocouple grade to BS EN 60584-2) or Type JX (Extension grade to BS EN60584-3). 


Physical and Mechanical Properties

 

Units

 

Nominal composition

%

Fe > 99.9

Density at 20°C

g/cm³

7.86

Resistivity at 20°C

µWcm

12.5

Temperature Coefficient of Resistance, 20 – 100°C

1/K

0.006

Coefficient of thermal expansion, 20 – 100°C

1/K

12 x 10-6

Thermal conductivity at 20°C

W/mK

81

Specific heat capacity at 20°C

kJ/kgK

0.47

Melting point (approx.)

°C

1496

Typical Tensile strength – annealed *

N/mm²

370

Typical Tensile Strength – fully cold worked *

N/mm²

600

Typical Elongation at break – annealed *

%

> 25

* Values will vary dependant upon wire diameter.

The figures given in this table represent nominal or typical values.

Information contained within this technical data sheet is based upon the general experience of Scott Precision Wire Ltd and is believed to be correct at the time of issue. 

No warranty is given or is to be implied from  the details above. 

Customers are advised to carry out independent tests in order to determine the suitability of any Scott Precision Wire Ltd product for an application.

   

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