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Handy Gas DataThis table is compiled from numerous sources and is provided for informative purposes.
No warranty is associated with the data included.
| |
Propane |
Butane |
Natural Gas |
Anhydrous Ammonia |
| |
Imperial |
Metric |
Imperial |
Metric |
Imperial |
Metric |
Imperial |
Metric |
| Formula |
C3H8 |
|
C4H10 |
|
CH4 (mainly) |
|
NH3 |
|
| S.G.VAPOUR |
1.53 |
|
2 |
|
0.62 |
|
0.596 |
|
| (range) |
|
|
|
|
0.68 |
|
|
|
| S.G.LIQUID |
0.51 |
|
0.58 |
|
|
|
0.616 |
|
| Density Liquid |
5.1 |
509 |
5.8 |
580 |
|
|
|
|
| unit |
lb/gal |
kg/m³ |
lb/gal |
kg/m³ |
|
|
|
|
| |
38.48 |
|
|
|
|
|
|
|
| |
lb/ft³ |
|
|
|
|
|
|
|
| Capacity |
379 |
1724 |
432 |
1964 |
|
|
|
|
| |
gal/Tonne |
l/Tonne |
gal/Tonne |
l/Tonne |
|
|
|
|
| Heat Value |
21591 |
50.01 |
21221 |
49.54 |
|
|
|
|
| |
Btu/lb |
MJ/kg |
Btu/lb |
MJ/kg |
|
|
|
|
| |
75808 |
|
84359 |
|
|
|
|
|
| |
Btu/USG |
|
Btu/USG |
|
|
|
|
|
| |
91690 |
|
102032 |
|
|
|
|
|
| |
Btu/gal |
|
Btu/gal |
|
|
|
|
|
| |
2516 |
93.5 |
3280 |
|
1063 |
39.6 |
|
|
| |
Btu/ft³ |
MJ/m³ |
Btu/ft³ |
MJ/m³ |
Btu/ft³ |
MJ/m³ |
|
|
| |
|
2.65 |
|
|
|
1.12 |
|
|
| |
|
MJ/ft³ |
|
|
|
MJ/ft³ |
|
|
| Vapour Conversion |
8.547 |
0.536 |
6.506 |
0.405 |
|
|
2.75 |
|
| @ 60°F 15°C |
ft³/lb |
m³/kg |
ft³/lb |
m³/kg |
|
|
ft³/lb |
|
| |
36.39 |
|
31.26 |
|
|
|
14.14 |
|
| |
ft³/USG |
|
ft³/USG |
|
|
|
ft³/USG |
|
| Latent heat of |
785 |
232 |
808 |
239 |
|
|
|
|
| Vapourization |
Btu/USG |
MJ/m³ |
Btu/USG |
MJ/m³ |
|
|
|
|
| |
943 |
|
970 |
|
|
|
|
|
| |
Btu/gal |
|
Btu/gal |
|
|
|
|
|
| Specific Heat |
1.13 |
|
|
|
|
|
1.31 |
|
| Ratio "n" |
|
|
|
|
|
|
|
|
| Molecular Weight |
44 |
|
|
|
|
|
17 |
|
| Temperatures |
°F |
°C |
°F |
°C |
|
|
°F |
°C |
| Flash Point |
-156 |
-104 |
-76 |
-60 |
|
|
|
|
| Ignition lower |
920 |
493 |
900 |
482 |
|
|
|
|
| Ignition upper |
1020 |
549 |
1000 |
538 |
|
|
|
|
| Max Flame Temp |
|
|
|
|
|
|
|
|
| in air |
3595 |
1979 |
3615 |
1990 |
|
|
|
|
| Boiling Point |
-44 |
-42 |
32 |
0 |
|
|
-28 |
2 |
| Lower explosion limit % gas in Air |
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
| Limit of flammability % gas in air |
|
|
|
|
|
|
|
|
| Upper |
9.6 |
|
8.6 |
|
|
|
|
|
| Lower |
2.4 |
|
1.9 |
|
|
|
|
|
| Octane No |
100+ |
|
92 |
|
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