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D90mm Grinding Steel Balls High Core Hardness 58 - 59hrc with Round Steel Bar Material

Place of Origin: Zhejiang

Company Profile

Location: Wuxi, Jiangsu, China (Mainland)
Business Type: Manufacturer
Main Products: Hot Rolling Steel Balls, Grinding Media Steel Balls, Grinding Steel Balls

Product Detail

Model No.: Jbco90

Product Description

Unbreakable  d90mm  Grinding Steel Balls  Core hardness 58-59 hrc  with  round steel bar

 

 

Quick detail:

 

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

 

 

 

 

 

 

 

 

 

Performance comparation:

  1. 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.
  2. 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
  3. 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.

 

 

Description:

 

1  Good surface roundress, no surface defects.

2  Falling impact: 20,000 times

3  Even hardness
4  Unbreakable
5 Grinding resistant

6 .High impact value

7  Raw meterial: round steel bar

8 Raw meterial type: b3

9 Steel ball size: 60mm

10 Surface hardness:60hrc

11  Core hardness: 58-59hrc

12 Good tougness, no break

13 Useage: grinding media

14 Applications: Mines / Cement plants / Power stations / Chemical industry

 

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)

90

+1.5

-4.5

60

58~59

≥25

 

 

 

Competitive advantage:

 

Top high cost performance;

Save annual steel ball use qty;

Increase outlet.

 

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