Delivery Time:10-15 days
Certification:Sgs

Round Steel Bar B2 D20mm Hot Rolling Steel Ball Surface Hardness 58 - 62hrc Grinding Media  for Chemical Industry

Quick detail:

1Steel ball size: d20mm

2 Surface hardness: 58-62hrc

3 Core hardness: 55-59hrc

4 Good tougness, no broken

Description:

Raw meterial: round steel bar Raw meterial type: b2 Steel ball size: 20mm Surface hardness: 58-62hrc Core hardness: 55-59hrc 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.

Applications: 

Mines Cement plants Power stations Chemical industry

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)
20	+1.5 -2.0	58~62	55~59	/

Competitive advantage:

Top high cost performance;

Save annual steel ball use qty;

Increase outlet.