MATERIALS 



47 



RESISTANT CAST STEELS 



1 This class of alloys is covered by A.S.T.M. Tentative Specifications A168-35T. 

 = This class of alloys is covered by A.S.T.M. Tentative Specifications A169-35X. 



2 This class of alloys is covered by A.S.T.M. Tentative Specifications A170-35T. 

 «Thi5 class of alloys is covered by A.S.T.M. Tentative Specifications A198-36T. 



