ON THE INFLUENCE OF SILICON ON THE PROPERTIES OF STEEL. 277 



Table III. — Compression Tests of Forged Silicon Steel. 



Series 



Test-bar 

 Mark 



206 



Analysis per cent. 



Carbon 



•18 



Silicon 



•79 



Manga- 

 nese 



•21 



No. 209 gave a sharp indication at 32 tons. 



Load applied 

 iu tons per 

 square inch 



10 

 20 

 30 

 40 

 SO 

 60 

 70 

 80 

 90 

 100 



Reduction in 



Leiigtli 



produced by 



Luud 



Diameter 

 Increased to 



Before being Testcil 

 10 ^7977 



•99.^8 



•9915 



•9472 



•853 



•814 



•7.305 



•668 



•6975 



•647 



•603 



•799 



•800 



•822 



•8H95 



•894 



•95 



1-002 



1-0S6 



1115 



1-153 



