High Hardness and Unbreakable Forged Grinding Steel Balls for Mines D20mm

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Grinding Media D20mm Grinding Steel Balls Core hardness 55-59hrc  Round Steel Bar For Cement Plants

 

 

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: 

  1. Mines
  2. Cement plants
  3. Power stations
  4. 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

/

 
 

Performance comparation:

 

  1. Steel Balls for Ball mill can save usage 40-50% than low chrome casting ball(chrome percent: 5%), improve outlet 10% at least than low chrome casting ball.
  2. Steel Balls for Ball mill can save usage 20-25% than medium chrome casting ball(chrome percent: 5% ~ 10%), improve outlet 10% than medium chrome casting ball
  3. Steel Balls for Ball mill can save usage 10% than high chrome casting ball(chrome percent: 5% ~ 10%), improve outlet 10% than high chrome casting ball 

 

 

 

 

Competitive advantage:

 

Top high cost performance;

Save annual steel ball use qty;

Increase outlet.

 


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Mr. Alex Lee
Tel: 86-25-86372206
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Jiangyin Jibang Machinery Co.,Ltd.
Room 219, Building 6, No. 18 Sugang Road, Nanjing, Jiangsu, China (Mainland)
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