Unbreakable High Precision Grinding Media Steel Balls Dia 90mm for Mineral Processing Jbqmj90 manufacturer from China Jiangyin Jibang Machinery Co.,Ltd.

Place of Origin:

Zhejiang, China (Mainland)

Product Detail

Model No.: Jbqmj90

Core hardness 58-59 hrc Grinding Media Steel Balls Unbreakable d90mm for cement plants

Core hardness 58-59 hrc Grinding Media Steel Balls Unbreakable d90mm for cement plants

Quick detail:

Steel ball size:	d80mm	Surface hardness:	60hrc
Core hardness:	58-59hrc	Good tougness:	no broken
Application	cement plants, Mines, Chemical industry, Power stations	Material:	steel

Applications:

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)

+1.5

-4.5

58~59

≥25

Description:

1 Raw meterial: round steel bar

2 Raw meterial type: b3

3 Steel ball size: 60mm

4 Surface hardness:60hrc

5 Core hardness: 58-59hrc

6 Good tougness, no break

7 Useage: grinding media

8 Good surface roundress, no surface defects.

9 Falling impact: 20,000 times

10 Even hardness
11 Unbreakable
12 Grinding resistant

13.High impact value

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.

Steel ball production flow: