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EO Technology co., LTD.
ADD: 1202, NO.12 Shiyiwei Road, Shenyang, China
Contact: Sunny Wu
Tel:+86-24-22845391
Mob:+86-18240078586
Fax:+86-24-22845391
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E-mail:info@eoexport.com

Ball Mill Parts Polybasic Alloyed Casting Balls

Ball Mill Parts Polybasic Alloyed Casting Balls

High Hardness: Surface hardness of casting iron balls is to HRC 58-64.
Good Impact Toughness: Impact toughness of chrome balls is more than 3.5J/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 to HRC 58-64.
Good Impact Toughness: Impact toughness of chrome balls is more than 3.5J/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

Polybasic Alloyed Casting Balls

Main Materials

Polybasic Alloyed Casting

Chemical Composition(%)

Name

C

Si

Mn

Cr

Mo

Cu

Ni

Nb

Ti

Zr

V

B

P

S

Polybasic I

1.8-3.2

0.5-1.5

0.4-1.5

3.5-8

≤0.5

≤0.8

≤0.5

≤0.2

≤0.5

≤0.5

≤0.5

≤0.10

≤0.15

≤0.15

Polybasic II

1.8-3.2

0.5-1.5

0.1-0.8

8-11

≤0.5

≤0.5

≤0.5

≤0.2

≤0.5

_

_

≤0.10

≤0.10

≤0.10

 

Properties and Microstructure

Name

Hardness (HRC)

AK (J/cm²)

Microstructure

Time of Falling Balls

Polybasic I

48-56

≥2.0

P+C

< Φ80

≥13000

≥Φ80

≥16000

Polybasic II

58-64

≥3.5

M+C

< Φ80

≥15000

≥Φ80

≥8000

 

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

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


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