Contact us

 

  • Suizhou Gaincin Machinery Co.,Ltd 
  • add: No.1704, Jinxiu River, Wenfeng, Zengdu, Suizhou, Hubei, P.R.China
  • E-mail:
  • Info@gaincin.com
  • Kimy.Lee@gaincin.com
  • Candy.Wu@gaincin.com 
  • Tel:  86-722-358 8806
  • Fax: 86-722-358 8806 x 8002
  • Website: www.gaincin.com 

 

 


 

 

 

 

 

 

 

 

 

 

 

 

 

Website:http://www.web-sun.cn
TEL:0592-2686956
FAX:0592-2686956
Email: client@web-sun.cn.

 

 

 

 

 

 

 

 

 

cast chrome steel grinding balls

cast chrome steel grinding balls

*Products:
Gaincin’s Chrome Cast Steel Grinding balls are especially used in the mining industry, and chosen according to customers' requirements and grinding application. It has very high chromium content ranging from lower 10% up to 32%. The balls are characterized by their extremely low wear rate and are most suitable for dry or wet grinding of corrosive and high abrasive materials such as bauxite, coal, iron, copper, and gold ores…


*Standard sizes (mm):
8, 10, 15, 17, 20, 25, 30, 35, 40, 50, 60, 70, 75, 80, 90, 100, 110, 120, 125,130mm.

Chrome cast steel grinding cylinders are also available upon request.

*Gaincin’s Chrome Cast Steel Grinding Balls: Microstructure and Mechanics

 MFG name

Microstructure*

Toughness Without

 Notch (J/cm2)

Hardness HRC

Hardness Difference

on the Section of grinding balls

Gaincin

M+C

8.0~15.0

58~67

≤ 2 

 

*Gaincin’s Chrome Cast Steel Grinding Balls: Chemical Compositions

 MFG name

C

Si

Mn

Cr

Mo

Ni

Cu

P

S

Gaincin

2.0~3.5

0.3~1.0

0.3~1.5

10~32

0~1.5

0~1.5

0~2.5

< 0.08

< 0.08

Ball Diameter(mm)

Φ10

Φ12.7

Φ15

Φ17

Φ20

Φ25

Φ30

Φ40

Φ50

Φ60

Φ70

Φ80

Φ90

Φ100

Φ110

Φ120

Φ125

Φ130

Chemical Composition(%)

Item

Designation

C

Si

Mn

Cr

Mo

P

S

     High

Chromium Cast Grinding Balls

ZQCr10

1.8-3.2

0.3-1.2

0.3-1.0

10~13

trace

≦0.1

≦0.08

Cu

Ni

Nb

Ti

B

Zr

V

trace

trace

trace

trace

trace

trace

trace

ZQCr17

2.0-3.2

≦1.0

0.3-1.0

13-18

≦1.0

≦0.1

≦0.08

ZQCr20

2.0-3.2

≦1.0

0.3-1.0

18-22

≦1.0

≦0.1

≦0.08

ZQCr26

2.0-3.2

≦1.0

0.3-1.0

22-28

≦1.0

≦0.1

≦0.08

Properties and Microstructure

Item

Designation

Hardness(HRC)

Impact Value(J/cm²)

Micro-structure

Times of falling Balls

High

Chromium Cast Grinding Balls

ZQCr10

≧58

≧8.0

M+C

≧21000

ZQCr17

≧60

≧8.0

≧21000

ZQCr20

≧60

≧8.0

≧21000

ZQCr26

≧60

≧8.0

≧21000

 

 

Packaging:

900kg net in iron drum or 1000kg woven bag. 22-26 Tons/20’ FCL 
*Key benefits:
·Super hard and tough structure

Structure is completely uniform

Excellent wear-resistance