Technical Information

Thermal properties of Solids:

Using Ohm's Law to calculate voltage, current, resistance and power ratings for fixed resistance loads.

Material Specific Heat at kJ/kg K Melting Point °C Density at 20� g/cm³ Latent Heat kJ/kg K Liner Expansion 0-100°C 10-6/°C
Aluminium 0.900 660 2.70   23.5
Brass 0.376 905 8.47   18.9
Copper 0.385 1083 8.96   17.0
Incoloy 800 0.502   7.95   14.2
Incoloy 825 0.502 1370-1400 8.14   14.0
Iron (cast) 0.502 1355-1385 6.95-7.35   10.2
Lead (solid) 0.159 327 11.35 23.2 35.3
Lead (molten) 0.138        
Monel 0.544 1298 8.8   14.5
Nickel 0.444 1453 8.9   13.3
Soft Solder 50 Pb 50Sn 0.167 182-216 9.3 41.0 29.4
Silver 0.237 962 10.5   19.1
Steel (mild) 0.502 1500 7.77   11.0
Steel (stainless) 0.502 1400 7.94   16.0
Tin (solid) 0.213 232 7.28 59.6 23.5
Tin (molten) 0.267   6.80    
Titanium 0.523 1660 4.50   21.9
Zinc 0.388 420 7.14 111.0 31.0
Nichrome 80/20 0.523 1400 8.30   15.0

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