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CAST GRINDING BALLS

 

The combination of stable composition control, advanced production process, out-of-art manufacturing facilities, and precision inspection equipments creates a first-class products quality.
Our grinding balls high hardness (62 HRC) and various diameter ratio makes the high wear-resistance and cost-efficiency come true, as a result, creating a higher added value for our users.

 

  • Product Manual
  • Product Description
  • Applications
CAST GRINDING BALLS
Ball size(mm)
Ф10 Ф12.5 Ф15 Ф17 Ф20 Ф25 Ф30 Ф40 Ф50
Ф60 Ф70 Ф80 Ф90 Ф100 Ф110 Ф120 Ф125 Ф130
CHEMICAL COMPOSITION %
DESCRIPTIOIN TYPE CHEMICAL COMPOSITION %
 HIGH CHROME CAST GRINDING BALLS ZQCr10 C Si Mn Cr P S Mo
2.0-3.6 0.3-1.2 0.3-1.4 10-12 ≤0.09 ≤0.09  0.05 max
Cu Ni Nb Ti B Zr V
 0.05 max  0.05 max  0.05 max  0.05 max  0.05 max  0.05 max  0.05 max
SUPER HIGH CHROME CAST GRINDING BALLS C Si Mn Cr P S Mo
ZQCr17 2.0-3.6 0.3-1.3 0.3-1.4 17-19 ≤0.09 ≤0.09  0.05 max
ZQCr20 2.0-3.6 0.3-1.3 0.3-1.4 20-22 ≤0.09 ≤0.09  0.05 max
ZQCr26 2.0-3.6 0.3-1.3 0.3-1.4 26-28 ≤0.09 ≤0.09  0.05 max
ZQCr17 ZQCr20 ZQCr26 Cu Ni Nb Ti B Zr V
 0.05 max  0.05 max  0.05 max  0.05 max  0.05 max  0.05 max  0.05 max
PHYSICAL PROPERTIES AND MICROSTRUCTURE
DESCRIPTIOIN TYPE  INT'S STANDARD MEILILIN STANDARD     IMPACT VALUE  ak(j/c㎡)
MICROSTRUCTURE BALLS DROPPING TIMES WITHOUT BREAKAGE
Hardness RC Hardness HRC
HIGH CHROME CAST GRINDING BALLS ZQCr10 ≥58 ≥60  ≥4.0
M+C ≥20000
SUPER HIGH CHROME CAST GRINDING BALLS ZQCr17 ≥58 ≥60 ≥4.0
≥20000
ZQCr20 ≥58 ≥60 ≥4.0
≥20000
ZQCr26 ≥58 ≥60 ≥5.0
≥20000
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