Place of Origin: Hebei China (Mainland)	Brand Name: Goldpro	Model Number: GNB2
Application: ball mill	Material: Steel	Dimensions: 25-150mm
Certificate: ISO9001-2008,ISO14001:2004,GB/T280...	Standard: YB/T091-2005	Material: 45#,60Mn,65Mn,GNB2

steel ball manufacture                                                                                                                    1. commodity:
    steel balls

2. dia:
    25-150mm

3.high hardness:
    60-67HRC
4.impact strength:
    exceed 12J/cm2
5.no breakage
6.good wear resistance