Detail: Power stations B2 D30MM Forged Grinding Steel Ball Surface Hardness 58-61hcr grinding media Quick detail: - - - - Surface hardness: 58-61hrc Core hardness: 56-59hrc Good tougness, ....
Jiangyin JiBang Machinery Co., Ltd mainly produce various hardness level of specification shot rolling steel ball and other grinding media.
Detail: Surface Hardness 61-63hrc Grinding Balls For Mining B2 D40MM Super Grinding-Resisting Quick detail: Steel ball size: d40mm Surface hardness: 61-63hrc Core hardness: 59.5-62hrc ....