Detail: b2 d30mm surface hardness 58-61hrc smaller grain microstructure super grinding-resisting hot rolled steel ball Quick detail: Steel ball size: d30mm Surface hardness: 58-61hrc ....
Jiangyin JiBang Machinery Co., Ltd mainly produce various hardness level of specification shot rolling steel ball and other grinding media.
Detail: B2 D60MM Grinding Balls For Mining Surface Hardness 57-60HRC Smaller Grain Microstructure Super Grinding-Resisting Quick detail: Steel ball size: d60mm Surface hardness: 57-60hrc ....