Delivery Time:10 DAYS
Certification:Sgs

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

Core hardness: 55-58hrc

Impact toughness: ≥35 j/cm2

Good tougness, no broken

Description:

Raw meterial: round steel bar Raw meterial type: b2 Steel ball size: 60mm Surface hardness: 57-60hrc Core hardness: 55-58hrc Good tougness, no break Useage: grinding media Good surface roundress, no surface defects. Falling impact: ﹥20,000 times

Performance comparation:

Grinding Balls For Mining can save usage 40-50% than low chrome casting ball(chrome percent: 5%), improve outlet 15% at least than low chrome casting ball. Grinding Balls For Mining can save usage 20-25% than medium chrome casting ball(chrome percent: 5% ~ 10%), improve outlet 15% than medium chrome casting ball. Grinding Balls For Mining can save usage 10% than high chrome casting ball(chrome percent: 5% ~ 10%), improve outlet 15% than high chrome casting ball.

Applications: 

Mines Cement plants Power stations Chemical industry

Specifications:

Chemical percent of raw meterial b2:

C	Si	Mn	P	S	Cr	Co	Ni
0.75	0.23	0.74	0.016	0.001	0.48	0.02	＜0.01

Steel ball data:

Ball size (mm)	Size tolerance (mm)	Surfance hardness (hrc)	Core hardness (hrc)	Impact toughness (j/cm2)
60	+1.5 -2.5	57~60	54~57	≥25

Microstructure picture:

Competitive advantage:

Top high cost performance;

Save annual steel ball use qty;

Increase outlet.