Delivery Time:8-10 days
Certification:Sgs

 B3 D120mm no surface defects Grinding Media Steel BallsSurface Hardness 58 -59hrc Grinding Media for  Chemical industry

Quick detail:

1Steel ball size: d120mm

2 Surface hardness: 60hrc

3Core hardness: 58-59hrc

4Good tougness, no broken

Description:

Steel ball size:120mm

Raw meterial: round steel bar

Raw meterial type: b3

Useage: grinding media

Surface hardness:60hrc

Core hardness:58_59hrc

Good tougness, no break

Good surface roundress, no surface defects.

Falling impact: ﹥20,000 times

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)
120	+1.5 -5.5	60	58~59	≥20

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.

Microstructure picture:

Competitive advantage:

Top high cost performance;

Save annual steel ball use qty;

Increase outlet.