Brown—The Densities and Specific Heats of some Alloys of Iron. 
TABLE LV. 
TUNGSTEN STEELS. 
VYOLUNE 
SPECIFIC 
Percentage Composition 
| Specific Volume 
Mark C Mn | W Density | Observed | Calculated Difference 
1294 F 0:16 0-11 1:0 7:93865 0:12600 0:12666 0:00066 
1294 H- O22 Si Os 325 8:0645 0°12400 0:12517 0:00117 
1294 I 0°38 0:20 UH 8:2918 0°12060 0°12249 0:00189 
1294 L 0:76 0:28 15°5 8:°7720 0:11400 0°11769 0:00369 
65 
In Table IV. the results for four tungsten steels are given, and they show the 
great effect that tungsten has on the density when alloyed with iron, and the 
columns of the specific volumes show that a very decided contraction has taken 
place in the alloys. 
0-1300 
0-/200 
0-100 
CBU 
COCOGo OOOO Soo 
|_| 
/ 
Percentage of Tungsten. 
Fic. 2.—Tunesten STEELS. 
In fig. 2 are plotted the observed values of the specific volumes as 
well 
