Delivery Time:15 DAYS
Certification:Sgs

b3 d80mm surface hardness 57-60hrc smaller grain microstructure super grinding-resisting hot rolled steel ball

Quick detail:

Steel ball size: d80mm

Surface hardness: 57-60hrc

Core hardness: 55-58hrc

Impact toughness: ≥25 j/cm2

Good tougness, no broken

Description:

Raw meterial: round steel bar

Raw meterial type: b3

Steel ball size: 80mm

Surface hardness: 57-60hrc

Core hardness: 55-58hrc

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 15% 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 15% than medium chrome casting ball. Hot rolled steel ball 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 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	57~60	55~58	≥25

Steel ball production flow:

Microstructure picture:

Competitive advantage:

Top high cost performance;

Save annual steel ball use qty;

Increase outlet.