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

Maximum continuous operating temperature in air°C1250
Nominal composition%Ni 80
Cr 20
Density at 20°Cg/cm³8.3
Resistivity at 20°CµΩcm109
Thermal conductivity at 20°CW/mK14.6
Specific heat capacity at 20°CkJ/kgK0.42
Melting point (approx.)°C1400
Tensile strength Rm, 0.5 mm wire – annealedN/mm²610
Elongation at break, 0.5 mm wire - annealed%> 25

Temperature Dependant Factors

Reference temperature 20°C

Temp °C20040050060080010001200
Temp °F3927529321112147218322192
Resistivity Factor1.0151.0341.0431.0341.0291.0391.058
Coefficient of thermal expansion (10^6/K)141515.415.51617

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.