Delivery Time:10-12 days
Certification:Sgs

Sgs  Mine Grinding Steel Ball  B3 d50mm Core hardness 58-59 hrc Unbreakable for Power stations

Quick detail:

Steel ball size:	d80mm	Surface hardness:	60hrc
Core hardness:	58-59hrc	Good tougness:	no broken
Application	cement plants, Mines, Chemical industry, Power stations	Material:	steel

Description:

1 Raw meterial: round steel bar

2 Raw meterial type: b3

3 Steel ball size: 80mm

4 Surface hardness:60hrc

5 Core hardness: 58-59hrc

6 Good tougness: no break

7 Useage: grinding media

8 Good surface roundress, no surface defects.

9 Falling impact: ﹥20,000 times

10 Even hardness
11 Unbreakable
12 Grinding resistant

13.High impact value

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.

Applications: 

Mines Cement plants Power stations Chemical industry

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)
80	+1.5 -3.5	60	58~59	≥25

Competitive advantage:

Top high cost performance;

Save annual steel ball use qty;

Increase outlet.