| 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 |
1. comodity: steel balls
2. dia:25-150mm
3.high hardness:60-67HRC
4.impact strength: exceed 12J/cm2
5.no breakage
6.good wear resistance
4.impact strength: exceed 12J/cm2
5.no breakage
6.good wear resistance
7. use:gold mine,silver mine,copper mine,iron mine, power station, cement plant, chemical industry

