STRENGTH OF STEEL. 



371 



The following are a few results of tests of axle steel 

 given by Mr. Kirkaldy : 



f KIRKALDY'S TESTS OF STEEL FROM LOCOMOTIVE 

 CRANK AXLES. 



The above figures represent the mean results of the 

 number of tests made, and may be taken as typical. 



FIG. 181. TENSION SPECIMEN FROM STEEL CRANK AXLE. 

 t Abridged from Kirkaldy's " Strength and Properties of Materials." 



