Delivery Time:20 DAYS
Certification:Sgs

Even Hardness Core Hardness 56-59hrc B2 D30MM Steel Balls For Ball Mill  Surface Hardness 58-61hcr  for Power stations

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	/

Performance comparation:

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

Competitive advantage:

Top high cost performance;

Save annual steel ball use qty;

Increase outlet.