|
|
Specific
Heat to Melting Point
|
Latent
Heat of Fusion
|
Specific
Heat of Liquid
|
Melting
Point
oC
|
Total
Heat kWh/kg
|
Total
Heat BTU/lb
|
Approximate
Energy Requirement (Hourly Demand)
|
|
Aluminum
|
0.25
|
170
|
0.252
|
1218
|
0.295
|
457
|
1.29-1.93kWh/kg
(2000-3000 BTU per lb) (13500F.)
|
|
Copper
|
0.1
|
89
|
0.2
|
1981
|
0.187
|
290
|
|
|
Iron
|
0.16
|
89
|
0.15
|
2300
|
0.344
|
534
|
|
|
Lead
|
0.032
|
10
|
0.032
|
625
|
0.018
|
28
|
0.045-0.097kWh/kg
(70-150 BTU per lb) (9000F.)
|
|
Tin
|
0.06
|
26
|
0.06
|
450
|
0.032
|
50
|
0.16kWh/kg
(250 BTU per lb) (6500F.)
|
|
Zinc
|
0.1
|
48
|
0.12
|
790
|
0.077
|
120
|
0.32-0.39kWh/kg
(500-600 BTU per lb) (800-9000F)
|
|
Brass
|
|
|
|
|
|
|
1.74-1.93kWh/kg
(2700-3000 BTU per lb)(1900-23000F.)
|
|
Cast
lron
|
|
|
|
|
|
|
5.2-5.8kWh/kg
(8000-9000 BTU per lb) (2600-27000F.)
|