PROPERTIES AND USES OF NICKEL STEEL. 703 
Table IX. 
Determination of elastic limit and coefficient of elasticity 
am compression of nickel steel ‘“ E.” 
Length upon which contractions were measured = 10° 
Diameter=1" Area=0°7854 square inches, 
Loadin | eee aga Mean : Differences per 
1000 Ibs Compression 1000 lbs 
: Top. | Bottom. |in,>53,5mm. ; 
) 
1 0-00 0:00 0:00 
1°00 
2 0-50 0°50 1°00 
0:98 
53] 0:98 1-00 1°98 
1°02 
4 eiclood 1°50 3°00 . 
1°00 
= 2°00 2-00 4°00 
1°00 
6 2-50 2-50 5°00 
1°00 
7 3°00 3°00 6°00 
1°00 
8 3°50 3°50 7°00 
| 1°00 
9 | 3°98 4°02 8:00 
0°92 
10 | 4°40 4°52 8:92 | 
0:94 
11 4°86 5:00 9°86 
1:01 
12 5°35 5°52 10°87 
E02 
13 5285 6°04 11°89 
0°95 
14 6°32 6°52 12°84 
0°98 
15 6°80 7°02 13°82 
0:99 
16 7°30 FON Sie en 
1:00 
17 7°80 8:01 15°81 
0°98 
i8 8°29 8°50 16°79 
NCO 
a9 8:80 9-00 Fie See so 
' 1°00 
