Comparative Chart of Diamond Grain Size Range

Industrial diamond for tools

CHINA    GB/T6406-1995
ISO
FEPA
U.S.A  ANSI B74.16-1971
 JAPAN    JIS4130-1988
GERMANY  DIN848-1988
   RUSSIA       ГOCT9206-80
Grain No.
Grain Size
Grain No1
Grain No2
Grain Size
Grain No.
Grain Size
Grain No.
Grain Size
Grain No.
Grain Size
Grain No.
Grain Size
Grain No.
Grain Size
40/45
425/355
426
-
425/355
D426
425/355
40/50
425/300
40/50
425/300
D426
425/355
630/500
630/500
45/50
355/300
356
-
355/300
D356
355/300
D356
355/300
500/400
500/400
50/60
300/250
301
50/60
300/250
D301
300/250
50/60
300/250
50/60
300/250
D301
300/250
400/315
400/315
60/70
250/212
251
-
250/212
D251
250/212
60/80
250/180
60/80
250/180
D251
250/212
315/250
315/250
70/80
212/180
213
-
212/180
D213
212/180
D213
212/180
250/200
250/200
80/100
180/150
181
80/100
180/150
D180
180/150
80/100
180/150
80/100
180/150
D180
180/150
200/160
200/160
100/120
150/125
151
100/120
150/125
D151
150/125
100/120
150/125
100/120
150/125
D151
150/125
160/125
160/125
120/140
125/106
126
120/140
125/106
D126
125/106
120/140
125/106
120/140
125/106
D126
125/106
125/100
125/100
140/170
106/90
107
140/170
106/90
D107
106/90
140/170
106/90
140/170
106/90
D107
106/90
100/80
100/80
170/200
90/75
91
170/200
90/75
D91
90/75
170/200
90/75
170/200
90/75
D91
90/75
80/63
80/63
200/230
75/63
76
200/230
75/63
D76
75/63
200/230
75/63
200/230
75/63
D76
75/63
63/50
63/50
230/270
63/53
64
230/270
63/53
D64
63/53
230/270
63/53
230/270
63/53
D64
63/53
50/40
50/40
270/325
53/45
54
270/325
53/45
D54
53/45
270/325
53/45
270/325
53/45
D54
53/45
　
　
325/400
45/38
46
325/400
45/38
D46
45/38
325/400
45/38
325/400
45/38
D46
45/38
　
　

Comments

  1. AnonymousMarch 17, 2012 at 6:09 AM

    Informative blog. Thanks for sharing information. grain sizing

    ReplyDelete

Post a Comment

Please make some comments on them. Thanks!!!