... 32,29/64,31/64,1/2,9/16,5/8,3/4 copper plated steel balls G10 G16 G100 ... /32,29/64,31/64,1/2,9/16,5/8,3/4 copper coated steel balls mild steel ball ... to G10003. Size: 1/8" 5/32" 3/16" 5/16" 5/32" 7/32" 1/4" 3/8" -7/8" 1/2" 1"4 ... .07Max0.06MaxHRC 58-62 AISI 10150.13~0.180.10~0.300.30~0.600.04Max********AISI 10450.43~ ... 0.500.10~0.300.60~0.900.04Max0.05MaxAISI 10850.83~ ...