ENEN HARDNESS
UNBREAKABLEeven hardness
unbreakable
grinding resistant
high impact value
Nominal diameter
(mm)
Diameteical tolerance
(mm)
Weight of Single
of forging ball
in average
Number of piece of
One ton forging ball
in average
Surface
hardness
Impact
toughness
DIA20
DIA 25
DIA 30
DIA 40
DIA 50
+2
-1
32
64
110
263
513
31250
15625
9090
3802
1949
55-65
≥12
DIA 60
DIA 70
DIA 80
DIA 90
DIA 100
+3
-2
888
1410
2104
2996
4110
1126
709
475
333
243
DIA 110
DIA 120
DIA 130
+4
-2
5457
7102
9030
182
140
110
DIA 140
DIA 150
+4
-3
11278
13871
88
72