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Grinding Balls
  1. High Hardness

  2. Light Specific Granity

  3. High Toughness

  4. Less Broken

Description

The Description of Grinding Balls:

       Our grinding balls have many excellent properties, such as high hardness, light specific gravity, high toughness, less broken, great shock-absorbing, high performance of anti-fatigue and the strong ability of shocking hardened layer. It’s widely used in the field of cement and building materials, thermal powder, the grinding mill of the beneficiation, steel and chemical industry, aerated bricks and alumina industry.

Technique Data

1. The Sizes of Grinding Balls:

Diameter,mm

30

40

50

60

70

80

90

100

110

120

125

150

Tolerance,mm

±2

+3-2

+4-3

+5-4

Roundness(%)

≤2

≤3

≤4

≤5

2. Chemical composition of Forged Grinding Balls:


Item

C%

Si%

Mn%

Cr%

Cu%

Mo%

P%

S%

Ni(%)

RS-1

0.42-0.50

0.17-0.37

0.5-0.80

0-0.25

0-0.25

0-0.30

0-0.035

0-0.035

0-0.30

RS-2

0.37-0.44

0.17-0.37

0.7-1.0

0-0.25

0-0.25

0-0.30

0-0.035

0-0.035

0-0.30

RS-3

0.48-0.56

0.17-0.37

0.60-1.0

0-0.25

0-0.25

0-0.30

0-0.035

0-0.035

0-0.30

RS-4

0.57-0.65

0.17-0.37

0.70-1.0

0-0.25

0-0.25

0-0.30

0-0.035

0-0.035

0-0.30

RS-5

0.62-0.70

0.17-0.37

0.90-1.0

0-0.25

0-0.25

0-0.30

0-0.035

0-0.035

0-0.30

RS-6

0.67-0.75

0.17-0.37

0.90-1.20

0-0.25

0-0.25

0-0.30

0-0.035

0-0.035

0-0.30

RS-7

0.37-0.45

0.17-0.37

0.50-0.8

0.80-1.1

0-0.25

0-0.30

0-0.035

0-0.035

0-0.30

RS-8

0.38-0.45

0.17-0.37

0.50-0.80

0.90-1.2

0-0.03

0.15-0.25

0-0.035

0-0.035

0-0.30

RS-9

0.65-0.75

0.20-0.30

0.75-0.90

0.55-0.70

0-0.25

0-0.30

0-0.030

0-0.030

0-0.30

RS-10

0.37-0.44

0.17-0.37

1.4-1.8

0-0.25

0-0.25

0-0.30

0-0.035

0-0.30

0-0.30

RS-11

0.65-0.75

0.20-0.45

1.4-1.8

0-0.25

0-0.25

0-0.30

0-0.035

0-0.030

0-0.30

RS-12

0.52-0.65

0.17-0.37

0.60-1.2

0-0.25

0-0.25

0-0.30

0-0.035

0-0.035

0-0.30

RS-13

0.70-0.80

0.17-0.37

0.70-0.80

0.50-0.60

0-0.25

0-0.30

0-0.035

0-0.035

0-0.30

RS-14

0.58-0.66

1.2-1.6

0.65-0.80

0.70-0.90

0-0.25

0-0.30

0-0.035

0-0.035

0-0.30

RS-15

0.60-0.65

1.6-1.7

0.7-0.8

0.7-0.8

0-0.25

0-0.30

0-0.035

0-0.035

0-0.30

RS-16

0.75-0.85

0.2-0.40

0.9-1.0

0.85-0.95

0-0.25

0.06-0.13

0-0.035

02-0.035

0.06-0.13

RS-17

0.82-0.95

0.20-0.40

0.92-1.02

0.80-0.95

0-0.25

0.06-0.10

0-0.035

0-0.035

0.06-0.10

RS-18

0.35-0.40

0.17-0.37

0.7-0.8

0.9-1.0

0-0.25

0-0.30

0-0.035

0-0.035

0-0.30

RS-19

0.95-1.05

0.17-0.37

0.9-1.10

0.40-0.60

0-0.15

0-0.05

0-0.035

0-0.035

0-0.30

RS-20

0.95-1.05

0.15-0.35

0.20-0.40

1.30-1.65

0-0.25

0-0.10

0-0.027

0-0.020

0-0.10

3.Technical specification of Grinding Media:

Item

Breakage rate

Hardness

Impact value

Drop times

Micro structure



(HRC)

(J/cm2

(times)


RS-1

<1%

≥45

≥12

≥8000

M+C

RS-2

<1%

≥50

≥12

≥10000

M+C

RS-3

<1%

≥55

≥12

≥10000

M+C

RS-4

<1%

≥55

≥12

≥12000

M+C

RS-5

<1%

≥58

≥12

≥12000

M+C

RS-6

<1%

≥60

≥12

≥12000

M+C

RS-7

<1%

≥55

≥12

≥12000

M+C

RS-8

<1%

≥55

≥12

≥12000

M+C

RS-9

<1%

≥58

≥12

≥12000

M+C

RS-10

<1%

≥55

≥12

≥12000

M+C

RS-11

<1%

≥58

≥12

≥12000

M+C

RS-12

<1%

≥55

≥12

≥12000

M+C

RS-13

<1%

≥58

≥12

≥15000

M+C

RS-14

<1%

≥60

≥12

≥15000

M+C

RS-15

<1%

≥60

≥12

≥15000

M+C

RS-16

<1%

≥60

≥12

≥15000

M+C

RS-17

<1%

≥60

≥12

≥15000

M+C

RS-18

<1%

≥60

≥12

≥15000

M+C

RS-19

<1%

≥60

≥12

≥15000

M+C

RS-20

<1%

≥60

≥12

≥15000

M+C


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