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60mm Steel Grinding Balls
  • 60mm Steel Grinding Balls
  • 60mm Steel Grinding Balls
  • 60mm Steel Grinding Balls

60mm Steel Grinding Balls

1) High Hardness: Surface hardness is to 60-65 HRC and volume hardness is to 60-65 HRC;

2) High Impact Test Value: The impact toughness is more than 12 J/cm2;

3) Low Broken Rate: The actual broken rate is not higher than 1%;

4) Top Wear-resistance: The wear rate is 50-700 g/ton.

Product Details

1. Chemical Composition of 60mm Steel Ball

CMnCrSiSP
Max/%0.850.120.850.370.0350.035
Min/%0.570.70-0.17--

 

2. Physical Properties of 60mm Steel Ball

Surface

Hardness

Center

Hardness

Volume

Hardness

Metallographic Structure

Breakage

Rate

Impact Test

Ball Test Time
HRCHRCHRCJ/cm2
60-6560-6560-65M+A<1%≥12≥20000

 

3. Specification of 60mm Forged Ball

DiameterDiameter ToleranceAverage Weight per BallAverage Numbers Per Ton Ball
mmInchmm
g
pcs
602.5''
+3 / -20.8881126

 

4. SGS Testing Report

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