Delivery Time:15 DAYS
Certification:Sgs

Surface Hardness 58-61HRC Grinding Balls For Mining B2 D30MM  No Break  Grinding Media 

Description:

Raw meterial:	round steel bar
Raw meterial type:	b2
Steel ball size:	30mm
Core hardness:	56-59hrc
Surface hardness:	58-61hrc
Useage:	grinding media

1 Grinding Balls For Mining Of  Good tougness: no break

2 Grinding Balls For Mining Of   Good surface roundress, no surface defects.

3 Grinding Balls For Mining Of  Falling impact: ﹥20,000 times

Quick detail:

Steel ball size: d30mm

Surface hardness: 58-61hrc

Core hardness: 56-59hrc

Good tougness, no broken

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)
30	+1.5 -2.0	58~61	56~59	/

Steel ball production flow:

Competitive advantage:

Top high cost performance;

Save annual steel ball use qty;

Increase outlet.