Grinding media ball
Product Code | C | Si | Mn | Cr | Mo | P | S |
Min Max | Min Max | Min Max | Min Max | Min Max | Min Max | Min Max | |
ZQCr26 | 2.0 2.8 | 0.3 1.0 | 0.3 2.0 | 21 28 | --- 0.5 | --- 0.06 | --- 0.06 |
ZQCr20 | 2.0 2.8 | 0.3 1.0 | 0.3 2.0 | 17 22 | --- 0.5 | --- 0.06 | --- 0.06 |
ZQCr17 | 2.0 3.2 | 0.3 1.0 | 0.3 2.0 | 14 18 | --- 0.5 | --- 0.06 | --- 0.06 |
ZQCr12 | 1.8 3.3 | 0.3 1.0 | 0.3 2.0 | 10 14 | --- 0.5 | --- 0.06 | --- 0.06 |
Product Code | Surface Hardness | Volumetric Hardness | Impact Fatigue Life(times) | Impact value(J/cm2) |
Min Max | Min Max | Approx | Min Max | |
ZQCr26 | 58 68 | 56 66 | 15000 | 4.0 |
ZQCr20 | 58 68 | 56 66 | 15000 | 3.5 |
ZQCr17 | 58 68 | 56 66 | 15000 | 3.0 |
ZQCr12 | 58 68 | 56 66 | 15000 | 3.0 |
Ball Diameter (mm) | Mass (g) | Number of Balls (per ton) |
Approx | Approx | |
20 | 32 | 31056 |
25 | 63 | 15873 |
30 | 110 | 9091 |
40 | 257 | 3891 |
50 | 500 | 2000 |
60 | 867 | 1153 |
70 | 1370 | 729 |
80 | 2050 | 487 |
90 | 2900 | 345 |
100 | 4000 | 250 |
110 | 5300 | 188 |
120 | 6800 | 147 |
125 | 7750 | 129 |
130 | 8740 | 114 |
150 | 13500 | 74 |
