19 x0.523mm Cromaloy 1

 

Scott Precision Wire concentric stranded resistance wires are specially manufactured to provide consistent resistance and heating characteristics. 

Cromaloy 1 is austenitic in character which provides better ductility when compared with the ferritic Iron Chrome Aluminium alloys.

 

Resistance             0276 – 0.304                 W/m

 

 

Construction

 

Centre

1 x 0.574mm

Layer 1

6 x 0.523mm Right Hand Lay

Layer 2

12 x 0.523mm Left Hand Lay

 

 

Cromaloy 1 Physical and Mechanical Properties

 

 

Units

 

Maximum continuous operating temperature in air

°C

1150

Nominal composition

%

Ni 60

Cr 16

Fe 24

Density at 20°C

g/cm³

8.2

Resistivity at 20°C

µWcm

111

Thermal conductivity at 20°C

W/mK

13.4

Specific heat capacity at 20°C

kJ/kgK

0.460

Melting point (approx.)

°C

1390

 

 

Temperature dependant Factors for Cromaloy 1

 

Reference temperature 20°C

Temp °C

200

400

600

800

1000

1200

Temp °F

392

752

1112

1472

1832

2192

Resistivity Factor

1.027

1.062

1.070

1.080

1.089

1.115

Coeff. of thermal expansion (10-6/K)

14.0

16.5

15.5

16.0

17.0

 

The figures given in these tables 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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