|
WATT
DENSITY CHART
|
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|
MATERIAL
|
Max.
Operating Temperature
|
Max.
Watt Density
|
||
|
°F
|
°C
|
W/In²
|
W/cm²
|
|
|
Acid
Solutions
|
180
|
82.22
|
40
|
6.2
|
|
Alkaline
Solutions and Oakite
|
212
|
100.00
|
40
|
6.2
|
|
Ammonia
Pltg, Solutions
|
50
|
10.00
|
25
|
3.875
|
|
Aroclor
|
600
|
315.56
|
20
|
3.1
|
|
Asphalt,
Tar or Heavy Compounds
|
200
300 400 500 |
93.33
148.89 204.44 260.00 |
10circ.
5non-circ.
8circ. 4non-circ. 7circ. 4non-circ. 6circ. 3non-circ. |
1.55circ.
0.775non-circ.
1.24circ. 0.62non-circ. 1.085circ. 0.62non-circ. 1.93circ. 0.465non-circ. |
|
Bunker
"C" Fuel Oil
|
160
|
71.11
|
10-15
fast circ.
4-7 non-circ. |
1.55-2.356
fast circ.
0.62-1 .085 non circ. |
|
Caustic
Soda 2%
10% 75% |
210
210 180 |
98.89
98.89 82.22 |
45
25 and down 25 and down |
6.975
3.875 and down 3.875 and down |
|
Citrus
Juices.
|
185
|
85.00
|
20
|
3.1
|
|
Degreasing
solutions Vapor
|
275
|
135.00
|
20
|
3.1
|
|
Dowtherm
A
Liquid Phase Vapor Phase |
750
750 |
398.89
398.89 |
18
and down
12 and down |
2.79
and down
1.86 and down |
|
Dowtherm
E
|
400
|
204.44
|
12
|
1.86
|
|
ElectroPlating
Solutions
|
180
|
82.22
|
40
|
6.2
|
|
Ethylene
Glycol
|
300
|
148.89
|
30
|
4.65
|
|
Fatty
Acids
|
150
|
65.56
|
20
|
3.1
|
|
Freon
|
300
|
148.89
|
3
|
0.465
|
|
Fuel
oil
Preheating Light Grade Heavy Grade |
180
|
82.22
|
25-30
circ.
|
3.875-4.65
circ.
|
|
Gasoline
|
300
|
148.89
|
2.-5.
|
0.31-775
|
|
Glycerine
|
50
|
10.00
|
40
|
6.2
|
|
Heat
Transfer Oils
|
500
600 |
260.00
315.56 |
20
15 |
3.1
2.35 |
|
Lead
Stereotype Pot
|
600
|
315.56
|
35
on casting
|
5.45
on casting
|
|
Linseed
Oil
|
150
|
65.56
|
50
|
7.75
|
|
Machine
Oil SAE 30
|
250
|
121.11
|
20-25
circ
15-20 non-circ |
3.1-3.875
circ.
2.35-3.1 non-circ |
|
Metal
Melting Pot
|
500-900
|
260-482
|
20-27
|
3.1-4.2
|
|
Mineral
Oil
|
200
400 |
93.33
204.44 |
20
16 |
3.1
2.48 |
|
Molasses
|
100
|
37.78
|
4.-5.
|
0.62-0.775
|
|
Molten
Salt Bath
|
800-900
|
427-482
|
25-30
|
3.875-4.65
|
|
Molten
Tin
|
600
|
315.56
|
20
|
3.1
|
|
Oakite
(See Alkaline Solns.)
|
|
|||
|
Oil
Draw Bath
|
600
400 |
315.56
204.44 |
20
24 |
3.1
3.72 |
|
Oils
(See Type of Oil)
|
SOLID
|
4
|
0.42
|
|
|
Paraffin
or Wax
|
150
|
65.56
|
16
|
2.48
|
|
Percholr-Ethylene
|
200
|
93.33
|
20
|
3.1
|
|
Potassium
Hydroxide
|
160
|
71.11
|
25
|
3.875
|
|
Propylene
Glycol
|
150
|
65.56
|
20
|
3.1
|
|
Sodium
Cyanide
|
140
|
60.00
|
40
|
6.2
|
|
Sodium
Hydride
|
720
|
382.22
|
28
|
4.34
|
|
Steel
Tubing Cast into Aluminium
|
500-750
|
260-399
|
50
|
7.75
|
|
Steel
Tubing Cast into Iron
|
750-1000
|
399-538
|
55
|
8.5
|
|
Socony
Vaccum Type Transfer Iron
|
600
|
315.56
|
20
|
3.1
|
|
Sulphur
Molten
|
600
|
315.56
|
10
|
1.55
|
|
Therminols
and
Heat Transfer Oils |
500
600 650 |
260.00
315.56 343.33 |
20
20 15 |
3.1
3.1 3.875 |
|
Trichlorethylene
|
150
|
65.56
|
20
|
3.1
|
|
Vapor
Degreasing solutions
|
275
|
135.00
|
20
|
3.1
|
|
Vegetable
Oil
and Shortening in Liquid state Below 100F |
400
|
204.44
|
30-40
circ.
15-25non-circ. |
4.656.2
circ.
2.35-3.787non-circ. |
|
Water
(Process)
|
35-150
212 |
1.67-66
100.00 |
5
100-125 circ. 75-100non-circ. 75circ. 50-non-circ |
0.775
15.5-19.375 circ. 11.625-15.5 non circ. 11.625 circ. 77.5-non-circ. |
|
Steam
|
300
500 700 |
148.89
260.00 371.11 |
low
flow vol.10 |
low
flow vol.1.55
high flow vol.3.875-4.65 low flow. 775-1.55 high flow. 3.1-3.875 low flow. 775-1.55 high flow 2.35-3.1 |
| NOTE
: Watt densities will vary with flow rates, densities and temperature. Apply these values with caution in some applications. |
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