Graded Series of Clirome Steels at Low Temperatures. 835 



The general effect of quenching on the specimen is to 

 diminish its susceptibility, particularly for low and moderate 

 fields. 



I 



8co /7 



ST?"* 



^^ 



****% l 



oof // 



/ 







V 





FIG. 2. 



H. 



. o 



BO /Zo /CO A-O QO 



Sp£cittzfv m Annehleo conoitioh 



.. QuE/VCH£0 



I 8r JT Tested at Room Te m per aturc 



J'8r H' - - -I90"C. 



Some of the hysteresis curves obtained for this specimen 

 are shown in fig. 8. The curves marked I and I' are. as 

 before, the curves obtained on testing the specimen in the 

 annealed condition at 15° C. and —190° 0. respectively. 



