PROPERTIES AND USES OF NICKEL STEEL. 701 
Table VII. 
Determination of elastic limit and coefficient of elasticity 
in compression of nickel steel “ F.” 
Length upon which contractions were measured = 2” 
Diameter = 1” Area = 0°7854 square inches. 
5 : 1 \ 
Load in Bes nee tecoo ta renters Differences per 
1000 lbs. Top. | Biremetn one, 2000 lbs. 
) 
5 0-40 439 | 479 
0°34 
6 0°55 4-41 4:96 
032 
8 0:69 4°59 5:28 
0°26 
10 0°85 4°69 5°54 
0:29 
1 ane ee IG 4°81 5:83 
| 0:33 
14 Kept Fe) 4:97 6°16 
0:30 
16 1°34 5:12 6:46 
| 0°35 
PS. 14 SekO 5°31 681 
| 0:36 
20 1:67 5°50 Wr 
0:35 
22 1°82 5:70 7°52 
| 0:39 + Limit of 
24 | 201 5:90 7-91 Elasticity 
0:46 
26 2:12 6:15 8°37 
0-53 
98 -+ 2-48 6:42 8:90 
0°67 
30 2:85 6:72 9°57 
0:44 
32 3-02 6:99 10:01 
0:79 
34 3-40 7-40 10°80 
23,000 
+ Limit of Elasticity = 23,000 Ibs. or = 30,580 lbsyper sq.in. 
O80 (18°1 tons) 
Coetticient of Elasticity = 28,140,000 lbs. per square inch. 
= 12,560 tons per square inch. 
