D 20mm Grinding Media Balls / Carbon Steel Ball for Copper Mining High Hardness Jbcnm20 manufacturer from China Jiangyin Jibang Machinery Co.,Ltd.

Place of Origin:

Zhejiang, China (Mainland)

Product Detail

Model No.: Jbcnm20

Round Steel Bar D20mm Grinding Media Balls Core hardness 55-59hrc Grinding Media No Break

Q

Round Steel Bar D20mm Grinding Media Balls Core hardness 55-59hrc Grinding Media No Break

Quick detail:

1Steel ball size: d20mm

2 Surface hardness: 58-62hrc

3 Core hardness: 55-59hrc

4 Good tougness: no broken

5 Raw meterial: round steel bar

6 Raw meterial type: b2

7 Good tougness, no break

8 Useage: grinding media

Description:

Steel ball size: 20mm

Surface hardness: 58-62hrc

Core hardness: 55-59hrc

Good surface roundress, no surface defects.

Falling impact: 20,000 times

Grinding Steel Balls of applications:

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)

+1.5

-2.0

58~62

55~59

Performance comparation:

Grinding Media Balls mill can save usage 40-50% than low chrome casting ball(chrome percent: 5%), improve outlet 10% at least than low chrome casting ball.
Grinding Media Balls mill can save usage 20-25% than medium chrome casting ball(chrome percent: 5% ~ 10%), improve outlet 10% than medium chrome casting ball
Grinding Media Balls mill can save usage 10% than high chrome casting ball(chrome percent: 5% ~ 10%), improve outlet 10% than high chrome casting ball