High Quality Grinding Media Ball

High Quality Grinding Media Ball

Grinding Media Balls Material : GCr15 high chrome Production Process : 1) Heating: heat the raw materials 2) Forging and Stamping: In this step, machines cut wire into short lengths and form it into spherical shapes. 3) Heat Treatment: heat treatment imparts the desired hardness. Main Features:...

Product Details

Grinding  Media  Balls

image002.jpg 

Material: GCr15 high chrome

Production Process:

1) Heating: heat the raw materials

2) Forging and Stamping: In this step, machines cut wire into short lengths and form it into spherical shapes.

3) Heat Treatment: heat treatment imparts the desired hardness.

Main Features:

high hardness, ground resistance, without loss of circle, low broken rate, high efficiency in grinding and etc.

Application Domain:

cement works, mine, mineral processing, thermal power, chemical industry and etc.

Classification, Chemical Composition and Metallographic Structure:


Material

C

Si

Cr

Mn

S

P

Mo

Al

Mirostructure


special high-CrⅢ

 2.2-3.0

 ≤1.0

 15-17

 0.5-2.0

 ≤0.06

 ≤0.08

 micro

 micro

     M+C


 high-Cr

 2.2-3.2

 ≤1.0

 11-14

 0.5-2.5

≤ 0.06

≤ 0.08

 micro

 micro

     M+C

Mechanical Property


Material

Impact test(AK.J/cm2)

Endurance test times(5m)

quenching hardness(HRC)

unquenching hardness(HRC)

Breakage


special high-CrⅢ

   ≥4

   ≥10000

   ≥60

   ≥49

   <1%


high-Cr

   ≥4

   ≥10000

   ≥58

   ≥49

   <1%

Substance

Nominal diameter(mm)

Diametrical tolerance(mm)

Approx weight per ball(kg)

Average number per MT

         25

          +1,-0.5

        0.033

       30303

         30

          +1,-0.5

        0.064

       15625

         40

          +2.0,-1.0

        0.11

        9090

         50

          +2.0,-1.0

        0.261

        3831

         60

          +2.0,-1.0

        0.510

        1961

         70

          +2.0,-1.0

        0.883

        1132

         80      

          +3.0,-1.5

        1.402

        713

         90

          +3.0,-1.5

        2.092

        478

        100     

          +3.0,-1.5

        2.98

        335

        110

          +3.0,-1.5

        4.087

        244

        120

          +3.0,-1.5

        5.44

        183

        130

          +3.0,-1.5

        7.062

        141


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