chemical composition % max Trademark B-B: C 0.003 Si 0.01 Mn 0.13 P 0.009 S 0.006 Cr 0.02 Ni 0.02 Al 0.03 Cu 0.02 Trademark B-BC: C 0.002 Si 0.01 Mn 0.08 P 0.006 S 0.005 Cr 0.01 Ni 0.01 Al 0.01 Cu 0.01 Trademark B-CC: C 0.002 Si 0.003 Mn 0.02 P 0.005 S 0.005 Cr 0.01 Ni 0.01 Al 0.005 Cu 0.004 Appliance of trademark from B-B to B-CC : The raw material of all kinds precise alloy(super alloy),electric alloy,soft magnet,amorphous alloy and permanent magnet such as NdFeB etc.
