Detail: Sgs Mine Grinding Steel Ball B3 d50mm Core hardness 58-59 hrc Unbreakable for Power stations Quick detail: - - - - Steel ball size: | d80mm | Surface hardness: | 60hrc ....
Jiangyin JiBang Machinery Co., Ltd mainly produce various hardness level of specification shot rolling steel ball and other grinding media.
Detail: Round Steel Bar B2 D20mm Grinding Balls For Mining Grinding Media Surface hardness 58 - 62hrc Quick detail: - - - - 1Steel ball size: d20mm 2 Surface hardness: 58-62hrc 3 Core....