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Forged Grinding Balls

Product Name:Forged Grinding Balls

Product Details:

forged grinding balls commonly used low-carbon alloy, high manganese steel, high carbon and high manganese alloy steel. On the basis of these material Goldpro has developed a series of competitive and efficient patent forged grinding balls.
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Detail

Forged grinding balls

Our products range from 20mm to 150mm, 1 inch to 6 inch, and we can also offer all size of products according to clients’ demand.

 

1.Features:

1) forged grinding ball has high hardness: surface hardness to 58-65HRC, volume hardness of 57-64HRC 

2) impact toughness high: impact toughness more than 12J / cm2

3) broken rate is low: the actual broken rate is not higher than 0.5%. 

4) loss of forged grinding ball round rate is low.

5) dropping test in 8m high tester for more than 20,000 times.

 

2.Technical Parameters:

Nominal Diameter(mm)

Dimensional Tolerance(mm)

Roundness %

Φ20

 

 

Φ25

Φ30

±2

≤2.0

Φ35

Φ40

Φ50

Φ60

Φ70

+3,-2

≤3.0

Φ75

Φ80

Φ90

Φ100

+4,-3

≤4.0

Φ120

Φ125

Φ130

Φ150

+5,-4

≤5.0

 

3.Inspection Process

1) Surface quality inspection 2) Dimensional inspection 3) Low magnification analysis 4) Dye penetrant inspection 5) Metallographic test

 

4.Technical Process of Forged Steel Ball

1) Raw material testing 2) Mixture 3) Heating 4) Forged hot rolled 5) Heat treatment 6) Testing 7) Storage

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