Professional 61 - 63hrc Hot Rolling Steel Balls B2 D40mm Grinding Media Balls for Mining

Delivery Time:10 days
Certification:Sgs

B2 D40mm Hot Rolling Steel Ball Surface Hardness 61 - 63hrc Grinding Media for cement plants

Quick detail:

Steel ball size:	d40mm	Surface hardness:	61-63hrc
Core hardness:	59.5-62hrc	Good tougness:	no broken
Useage:	grinding media	Application:	cement plants, Mines, Chemical industry, Power stations

Description:

Material: steel

Raw meterial: round steel bar

Raw meterial type: b2

Steel ball size: 40mm

Surface hardness: 61-63hrc

Core hardness: 59.5-62hrc

Good tougness, no break

Useage: grinding media

Good surface roundress, no surface defects.

Falling impact: ﹥20,000 times

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 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)
40	+2 -1.5	61~63	59.5_62	/

Steel ball production flow:

Competitive advantage:

Top high cost performance;

Save annual steel ball use qty;

Increase outlet.