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Chromium Ball/ Steel Ball

Chromium Ball/ Steel Ball
Chromium Ball/ Steel Ball
Chromium Ball/ Steel Ball
Steel Ball
Detail

 Low Chrome Mill Ball

Chromium composition: 0.5%-3.0%

Higher hardness ¦ Lower wear rate       Good toughness ¦ Less breakage

GUOYANGCAST GRINDING BALLS are widely used in mining, power plant, cement and magnetic materials industries.

In the using process, the surface hardness getting higher and the wear resistant getting strengthen, at the same time, the production capacity of ball mill getting improved.

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

Steel Ball

ZQCr3-Cr7

1.8-3.2

0.2-1.2

0.2-1.0

3.0-7.0

≦1.0

≦0.1

≦0.08

Properties and Microstructure

Item

Designation

Hardness(HRC)

Impact Value(J/cm²)

Micro-structure

Times of falling Balls

Steel Ball

ZQCr3-Cr7

48-58

≧3.0

P+C

≧18000

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