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High chrome grinding balls

Product Name:High chrome grinding balls

Product Details:

(Cr10-28%)
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Detail

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

Si

Mn

Cr

Mo

S

Popuar Grade

ZQCr10

1.8-3.2

0.3-1.2

0.2-1.0

10~13

trace

≦0.1

≦0.08

Cu

Ni 

Nb

Ti

B

Zr

V

trace

trace

trace

trace

trace

trace

trace

High Chromium Cast Grinding Balls

ZQCr17

2.0-3.2

≦1.0

0.2-1.0

13-18

≦1.0

≦0.1

≦0.08

ZQCr20

2.0-3.2

≦1.0

0.2-1.0

18-22

≦1.0

≦0.1

≦0.08

ZQCr26

2.0-3.2

≦1.0

0.2-1.0

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

Popuar Grade

ZQCr10

≧60

≧4.0

M+C

≧21000

High Chromium Cast Grinding Balls

ZQCr17

≧60

≧4.0

≧21000

ZQCr20

≧60

≧4.0

≧21000

ZQCr26

≧60

≧4.0

≧21000

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