Offering wear-resistant chromium casting ball
20mm-150mmHigh/low/medium chrome ball
Quenching:wind quenching and oil quenching
1.Chemical composition of chromium casting grinding ball
20mm-150mmHigh/low/medium chrome ball
Quenching:wind quenching and oil quenching
1.Chemical composition of chromium casting grinding ball
|
Name
|
C
|
Si
|
Cr
|
Mn
|
S
|
P
|
Mo
|
Al
|
| Special High Chromium cast grinding ball I | 2.0-2.8 | 1.0max | 22-32 | 0.5-2.0 | 0.06max | 0.08max | ||
| Special High Chromium cast grinding ball II | 2.0-2.8 | 1.0max | 17-22 | 0.5-2.0 | 0.06max | 0.08max | ||
| Special High Chromium cast grinding ball II | 2.2-3.0 | 1.0max | 15-17 | 0.5-2.0 | 0.06max | 0.08max | ||
| High Chromium cast grinding ball | 2.2-3.2 | 1.0max | 11-14 | 0.5-2.5 | 0.06max | 0.08max | ||
| Medium Chromium cast grinding ball | 2.1-3.2 | 1.2max | 5-10 | 0.5-1.5 | 0.06max | 0.08max | ||
| Low Chromium cast grinding ball | 2.2-3.5 | 1.2max | 1.5-3.0 | 0.5-1.5 | 0.06max | 0.08max |
2.Weight and microstructure
|
Norminal Diameter
(mm)
|
Diametrical Tolerance
(mm)
|
Approx. Weight
per Ball (g)
|
Average
Number
per MT
|
|
20
|
+1/-0.5
|
33
|
30303
|
|
25
|
+1/-0.5
|
64
|
15625
|
|
30
|
+2.0/-1.0
|
110
|
9090
|
|
40
|
+2.0/-1.0
|
261
|
3831
|
|
50
|
+2.0/-1.0
|
510
|
1961
|
|
60
|
+2.0/-1.0
|
883
|
1132
|
|
70
|
+3.0/-1.5
|
1402
|
713
|
|
80
|
+3.0/-1.5
|
2092
|
478
|
|
90
|
+3.0/-1.5
|
2980
|
335
|
|
100
|
+3.0/-1.5
|
4087
|
244
|
|
110
|
+3.0/-1.5
|
5440
|
183
|
|
120
|
+3.0/-1.5
|
7062
|
141
|
3.Certificate:ISO9001-2008
Welcome for your inquiry about chromium casing grinding balls.