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High Hardness Unbreakable Forged Grinding Steel Ball for Mines / Chemical Industry

Place of Origin: Zhejiang

Company Profile

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

Product Detail

Model No.: JBCNM80

Product Description

b3 d80mm surface hardness 57-60hrc smaller grain microstructure super grinding-resisting hot rolled steel ball

 

Quick detail:

 

Steel ball size: d80mm

Surface hardness: 57-60hrc

Core hardness: 55-58hrc

Impact toughness: ≥25 j/cm2

Good tougness, no broken

 

Description:

 

Raw meterial: round steel bar

Raw meterial type: b3

Steel ball size: 80mm

Surface hardness: 57-60hrc

Core hardness: 55-58hrc

Good tougness, no break

Useage: grinding media

Good surface roundress, no surface defects.

Falling impact: 20,000 times

 

Performance comparation:

  1. Hot rolled steel ball can save usage 40-50% than low chrome casting ball(chrome percent: 5%), improve outlet 15% 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 15% 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 15% than high chrome casting ball.

 

Applications: 

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

80

+1.5

-3.5

57~60

55~58

≥25

 

 

Steel ball production flow:

 

Microstructure picture:

 

 

Competitive advantage:

 

Top high cost performance;

Save annual steel ball use qty;

Increase outlet.

 

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