40mm grinding steel balls for mineral properties ) No cracking ) Strucure is uniform ) Hardness: HRC60~67

40mm grinding steel balls for mineral properties  mine 

Raw materials : grinding rods ( bought from steel factory )

Processing of media chrome grinding balls

Inspection Equipments for chrome balls :

grinding stee balls are in  testing

ISO Certificates :9001:14001

Package : woven bags & iron drums

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40mm grinding steel balls for mineral properties