... ,1/2,9/16,5/8,3/4 copper plated steel balls G10 G16 G100 G1000 1/16,3/32,1/8,5/32,3/16,7/32,1 ... /4,5/16 11/32,3/8,15 ... king7.MOQ:1 Chemical :ItemC%Si%Mn%P%S%HardnessAISI 10100.08~0.130.30Max0.50Max0.07Max0.06MaxHRC 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 ...