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.
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physical & 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 | µΩcm | 109 |
| Thermal conductivity at 20°C | W/mK | 14.6 |
| Specific heat capacity at 20°C | kJ/kgK | 0.42 |
| 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
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 | 15 | 15.4 | 15.5 | 16 | 17 |
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.