Even Hardness 56hrc - 59hrc B2 D30MM Grinding Media Balls No Surface Defects for Power Stations JBFE30 manufacturer from China Jiangyin Jibang Machinery Company

Place of Origin:

Zhejiang, China (Mainland)

Product Detail

Model No.: JBFE30

Even Hardness Core Hardness 56-59hrc B2 D30MM Grinding Media Balls No Surface Defects for Power stations
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Even Hardness Core Hardness 56-59hrc B2 D30MM Grinding Media Balls No Surface Defects for Power stations

Quick detail:

Surface hardness: 58-61hrc

Core hardness: 56-59hrc

Good tougness, no broken

Good tougness : no break

Useage: grinding media

Raw meterial: round steel bar

Raw meterial type: b2

Steel ball size: d30mm

Grinding Media Balls of 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)

+1.5

-2.0

58~61

56~59

Description:

1 Grinding Media Balls of Steel ball size: 30mm

2 Grinding Media Balls of Surface hardness: 58-61hrc

3 Good surface roundress, no surface defects.

4 Falling impact: 20,000 times

5 Core hardness: 56-59hrc

Performance comparation:

Grinding Media Balls can save usage 40-50% than low chrome casting ball(chrome percent: 5%), improve outlet 15% at least than low chrome casting ball.
Grinding Media Balls can save usage 20-25% than medium chrome casting ball(chrome percent: 5% ~ 10%), improve outlet 15% than medium chrome casting ball
Grinding Media Balls can save usage 10% than high chrome casting ball(chrome percent: 5% ~ 10%), improve outlet 15% than high chrome casting ball.