TABLES 449-451. 



MAGNETIC PROPERTIES OF IRONS AND STEELS- 

 TABLE 449. Magnetic Properties of Various Types of Iron and Steel. 

 From tests made at the Bureau of Standards. B and // are measured in cgs units. 



TABLE 450. Magnetic Properties of a Specimen of Very Pure Iron (.017% C). 

 From tests at the Bureau of Standards. B and H are measured in cgs units. 



As received: //max 150 



-Bmax 18,900 

 B r 7,650 



H e 2.8 



After annealing: //max 150 

 Bmsu. 19,500 



H e 0.53 



TABLE 451. Magnetic Properties of Electrical Sheets. 

 From tests at the Bureau of Standards. B and H are measured in cgs units. 



SMITHSONIAN TABLES. 



