Cromaloy 5

 

 

Cromaloy 5 is able to withstand progressive oxidisation due to its resistance to oxide scaling and good thermal fatigue properties. It is used in a wide range of elements from industrial furnaces to domestic toasters.

 Cromaloy 5 is available in sizes down to 0.06 mm.

 Physical and Mechanical Properties

 

Units

 

Maximum continuous operating temperature in air

°C

1250

Nominal composition

%

Ni 80

Cr 20

Density at 20°C

g/cm³

8.3

Resistivity at 20°C

µWcm

109

Thermal conductivity at 20°C

W/mK

14.6

Specific heat capacity at 20°C

kJ/kgK

0.420

Melting point (approx.)

°C

1400

Tensile strength Rm, 0.5 mm wire – annealed

N/mm²

610

Elongation at break, 0.5 mm wire - annealed

%

> 25

 

Temperature dependant Factors for Cromaloy 5

Reference temperature 20°C

Temp °C

200

400

500

600

800

1000

1200

Temp °F

392

752

932

1112

1472

1832

2192

Resistivity Factor

1.015

1.034

1.043

1.034

1.029

1.039

1.058

Coefficient of thermal

expansion (10-6/K)

14.0

15.0

15.4

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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