Delivery Time:8-12 days
Certification:Sgs

Mines Unbreakable D90mm  Grinding Balls For Mining  Core hardness 58-59 hrc  with  round steel bar

Quick detail:

Steel ball size:	d90mm	Surface hardness:	60hrc
Core hardness:	58-59hrc	Good tougness:	no broken
Material:	steel	Application	cement plants, Mines, Chemical industry, Power stations

Description:

1  Good surface roundress, no surface defects.

2  Falling impact: ﹥20,000 times

3  Even hardness
4  Unbreakable
5 Grinding resistant

6 .High impact value

7  Raw meterial: round steel bar

8 Raw meterial type: b3

9 Grinding Balls For Mining of  Steel ball size: 90mm

10 Grinding Balls For Mining of Surface hardness:60hrc

11 Grinding Balls For Mining of Core hardness: 58-59hrc

12 Grinding Balls For Mining of  Good tougness, no break

13 Useage: grinding media

14 Applications: Mines / Cement plants / Power stations / Chemical industry

Performance comparation:

Hot rolled steel ball can save usage 40-50% than low chrome casting ball(chrome percent: 5%), improve outlet 10% at least than low chrome casting ball. Hot rolled steel ball can save usage 20-25% than medium chrome casting ball(chrome percent: 5% ~ 10%), improve outlet 10% than medium chrome casting ball Hot rolled steel ball can save usage 10% than high chrome casting ball(chrome percent: 5% ~ 10%), improve outlet 10% than high chrome casting ball.

Specifications:

Chemical percent of raw meterial b3:

C	Si	Mn	P	S	Cr	Co	Ni
0.61	1.8	0.75	0.012	0.001	0.81	0.01	0.01

Steel ball data:

Ball size (mm)	Size tolerance (mm)	Surfance hardness (hrc)	Core hardness (hrc)	Impact toughness (j/cm2)
90	+1.5 -4.5	60	58~59	≥25

Competitive advantage:

Top high cost performance;

Save annual steel ball use qty;

Increase outlet.