SOME PHYSICAL PROPEETIES OF NICKEL STEEL. 



167 



Table XII. 

 Summary of Eesults obtained in Compressive Tests of Nickel 



Steel. 



Diameter of test piece 1 inch, area 0-7854. 



Reference 

 Letter. 



Description. 



Length of 

 test piece 

 in inches. 



Elastic limit 

 in tons per 

 square inch. 



Coefficient of 

 elasticity in 



tons per 

 square inch. 



Compressive 

 strength in 



tons pel- 

 square inch. 



Maximum 

 load applied 



in tons per 

 square inch. 



Plastic com- 

 pression with 

 maximum 

 load per 

 lineal inch. 







1000 



14-50 



12705 









F 



Mild 



2-00 

 1-52 



10-00 



1310 



12570 



24-2 



44-5 

 63-6 



0-11 

 0-26 



T 



Medium ... 



2-00 

 1-48 



10-00 



1199 



11360 



42-0 



69 

 73 



0-137 

 10-172 



E 



Non-rusting 



2-00 







253 



55-5 



0-115 







1-49 







25-3 



70-0 



0-175 



Table XIII. 

 Torsional Tests of Nickel Steel. 



/J2.S-A 



Refer- 

 ence 

 Letter. 



Diameter 

 of test 

 piece in 

 inches. 



Length of 

 test piece 

 in inches. 



Total 



twisting 

 moment 

 in inch 

 pounds. 



Value of / 

 in equation 



/- T 



Total 

 angle of 



Length of 

 test piece 

 after frac- 

 ture in 

 inches. 



Percent- 

 age of 

 elongation 

 or short- 

 ening. 



in pounds 

 per sq. in. 



twist in 

 degrees. 



E 

 F 

 T 



0-715 

 0-714 

 0-714 



1-125 

 1125 

 1-125 



109313 

 6809-6 

 8960-0 



152578 



95448 



125591 



900 

 405 

 180 



1-140 

 1-120 

 1-125 



+ 1-3 



- 0-44 







