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EO Technology Co., Ltd.

Low Chrome Casting Grinding Media Mill Balls

Low Chrome Casting Grinding Media Mill Balls

High Hardness: Surface hardness of casting iron balls is more than HRC 45.
Good Impact Toughness: Impact toughness of chrome balls is more than 1.6J/cm²;
Low Broken Rate: The actual broken rate is not higher than 1%;
Good Wear-resistant: 30-50g/ton in cement industry, 350-430g in gold mines

Product Details

High Hardness: Surface hardness of casting iron balls is more than HRC 45.
Good Impact Toughness: Impact toughness of chrome balls is more than 1.6J/cm²;
Low Broken Rate: The actual broken rate is not higher than 1%;
Good Wear-resistant: 30-50g/ton in cement industry, 350-430g in gold mines


EO CASTINGS 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.


Products Specifications

Common Names

Low Chromium Grinding Balls

Main Materials

Low Chromium Castings

Chemical Composition (%)

ZQCr2

C

Si

Mn

Cr

Mo

P

S

2.0-3.3

≤1.2

≤1.5

1.0-3.5

≤1.0

≤0.15

≤0.15

 

Property & Micro-structure

Designation

HRC

AK(J/cm²)

Micro-structure

Times of Falling Balls

ZQCr2

≧45

≧1.6

P+C

≧5000-15000

Theoretical Ball Weight

Ball Diameter(mm)

Weight of Each Ball(kg)

Pcs/Ton

Φ20

0.0322

31056

Φ25

0.063

15873

Φ30

0.11

9091

Φ40

0.257

3891

Φ50

0.5

2000

Φ60

0.867

1153

Φ70

1.37

729

Φ80

2.05

487

Φ90

2.9

345

Φ100

4.00

250

Φ110

5.3

188

Φ120

6.8

147

Φ125

7.75

129

Φ130

8.74

114

Diameter Tolerance(mm)

20-25mm

30-60mm

70-90mm

100-130mm

±1

±1.5

+2, -1

+2.5, -1

NOTE: If modulating needed, metamorphic chemical ingredients&other alloying elements vary from products above, price would be as contract signed.


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