Dia 120mm Cement Forged Steel Grinding Balls high hardness HRC55-65

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Dia 120mm Low Price high hardness cement grinding media steel ball

Application:

  • Mine
  • Grinding Coal In Power Plant.
  • Cement Plant
  • We serve the global mining industry

Chemical composition:

Material C Mn Si Cr S P
50MN 0.48-0.56 0.70-1.0 0.17-0.37 0.25 max 0.035max 0.035max
60MN 0.57-0.65 0.70-1.0 0.17-0.37 0.25 max 0.035max 0.035max
65MN 0.60-0.70 0.90-1.20 0.17-0.37 0.25 max 0.035max 0.035max
75Mn 0.72-0.92 0.17-0.37 0.7-1.0 0.4-0.6 0.035max 0.035max
75MnCr 0.70-0.85 0.7-0.8 0.17-0.37 0.2-0.7 0.03 max 0.03 max
75SiMn 0.70-0.90 0.7-1.2 0.4-0.8 0.25 max 0.03 max 0.03 max

 

Specifications:

Impact Test

AK.J/cm2

Endurance Test Times

(5m)

Dia 25mm-60mm Dia 70mm-100mm
    Surface Core Surface Core
50MN ≥12 ≥10000 ≥56 ≥35 ≥56 ≥28
60MN ≥13 ≥10000 ≥58 ≥38 ≥58 ≥29
65MN ≥15 ≥12000 ≥60 ≥42 ≥60 ≥30
75MnCr ≥17 ≥12000
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Mr. Mr. Housongcun
Tel: 86-531-83801383
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Contact Method
Oriental Casting and Forging Co., Ltd.
GAOXINJINAN, Jinan, Shandong, China (Mainland)
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