high/low steel grinding ball(ISO9001:2008)
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Quality/Safety Certification: 0.00
high/low steel grinding ball(ISO9001:2008)High quality raw material
Low breakage&High hardness
Good wear resistance.
high/low steel grinding ball(ISO9001:2008)
Ball Diameter | Weight of Each Ball | Pcs/ton | ||||||
20 | 0.0322 | 31056 | ||||||
25 | 0.063 | 15873 | ||||||
30 | 0.11 | 9091 | ||||||
40 | 0.257 | 3891 | ||||||
50 | 0.5 | 2000 | ||||||
60 | 0.867 | 1153 | ||||||
70 | 1.37 | 729 | ||||||
80 | 2.05 | 487 | ||||||
90 | 2.9 | 345 | ||||||
100 | 4 | 250 | ||||||
110 | 5.3 | 188 | ||||||
120 | 6.8 | 147 | ||||||
125 | 7.75 | 129 | ||||||
130 | 8.74 | 114 | ||||||
Low Chrome Alloyed Cast Grinding Balls | Designation | Chemical Composition(%) | ||||||
C | Si | Mn | Cr | Mo | P | S | ||
ZQCr2 | 2.0-3.3 | ≤1.2 | ≤1.5 | 1.0-3.0 | ≤1.0 | ≤0.15 | ≤0.15 | |
Low Chrome Alloyed Cast Grinding Balls | Designation | |||||||
Microstructure | Times o Falling Balls | |||||||
AK(j/cm²) | ||||||||
HRC | ||||||||
ZQCr2 | ≥45 | ≥1.6 | P+C | ≥5000--15000 | ||||
Properties and Microstructure | ||||||||
Name | Hardness(HRC) | AK(j/cm²) | Microstructure | Times o Falling Balls | ||||
Polybasic | 48-56 | ≥2.0 | P+C | 80 | ≥13000 | |||
≥80 | ≥16000 | |||||||
Polybasic | 50-56 | ≥3.0 | M+C | 80 | ≥15000 | |||
≥80 | ≥8000 |