464 Tables 550-552 



TABLE 550. — Magnetic Properties of Various Types of Iron and Steel 

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



TABLE 551. — 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: i7max 150 



Bmax 18,900 

 Br 7,05O 



H c 2.8 



After annealing: i/max 150 

 -Bmax i9>5°° 



He 



0.53 



TABLE 552. — Magnetic Properties of Electrical Sheets 



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



Smithsonian Tables. 



