PROPERTIES AND USES OF NICKEL STEEL. 699 
Table VI. 
Determination of elastic limit and coefficient of elasticity 
in compression of nickel steel “ F”’ (mild). 
Length upon which contractions were measured = 10” 
Diameter = 1” Area = 0°7854 square inches. 
—— 
a ee 
Load in eadee sero Mean Differences per 
1000 Ibs. | es 1000 lbs 
os Top. | Bottom. |in,53,5mm. ‘ 
| 
1 0-00 4°00 4:00 
| ee Ji Ol: 
2°5 1°20 4°32 5°52 
| | 0:46 
3 abt en OP armen eke LP 5°75 
| 0°85 
4 1°81 4°79 6'60 
| 0°86 
5 2°35 | 5-11 7-46 | 
0°93 
Gre) 3-00) 225-45 8-39 
0°85 
7 Peed 39, Goi) MY e8O 9°24 | 
0°86 
8 3°85 6°25 10°10 
0°89 
9 4°30 6°69 10°99 
0-91 
10 4°79 Cie la | 11-90 
0-89 
11 5°29 7°54 12°79 
0°91 
12 5°69 8:01 13°70 \ 
0°86 
13 6°11 8°45 14°56 
0°87 
14 lh A6"55 8°89 | 15°43 
| 0°90 
15 6°98 0°35) ) 01 26288 
| 0-87 
16 7°40 9°80 17°20 
| 0°90 
17 7°80 10°30 | 18:10 
Bie al 0°86 
18 8°18 10:78) = 18: 96 
0:92 
19 8°60 11:28 | 19°88 
0:86 
20 8°98 11°76 20°74 
0°88 
