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| CBN abrasive mesh size and comparison chart | ||||
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Xiangyu company |
International Standard |
FEPA |
USA |
JAPAN |
Theoretical Basic Size |
RUSSIA |
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GB/T6406-1995 |
ISO |
ANSI B74.16-1971 |
JIS4130-1998 |
9206-80 |
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| Grain No. | Grain Size | Grain No. Ⅰ | Grain No. Ⅱ | Grain Size | Grain No. | Grain Size | Grain No. | Grain Size | Grain No. | Grain Size | Inch | Millimeter | Grain No. | Grain Size |
40/50 |
425/300 |
427 | 40/50 |
425/300 |
B/427 | 355/300 |
40/50 |
425/300 |
40/50 |
425/300 |
0.015 | 0.378 | 500/400 |
500/400 |
50/60 |
300/250 |
301 | 50/60 |
300/250 |
B/301 | 300/250 |
50/60 |
300/250 |
50/60 |
300/250 |
0.011 | 0.288 | 400/315 |
400/315 |
60/80 |
250/180 |
252 | 60/80 |
250/180 |
B/252 | 250/180 |
60/80 |
250/180 |
60/80 |
250/180 |
0.009 |
0.226 | 250/200 |
250/200 |
80/100 |
180/150 |
181 | 80/100 |
180/150 |
B/181 | 180/150 |
80/100 |
180/150 |
80/100 |
180/150 |
0.0069 |
0.174 | 200/160 |
200/160 |
100/120 |
150/125 |
151 | 100/120 |
150/125 |
B/151 | 150/125 |
100/120 |
150/125 |
100/120 |
150/125 |
0.0058 |
0.148 | 160/125 |
160/125 |
120/140 |
125/106 |
126 | 120/140 |
125/106 |
B/126 | 125/106 |
120/140 |
125/106 |
120/140 |
125/106 |
0.0048 |
0.123 | 125/100 |
125/100 |
140/170 |
106/90 |
107 | 140/170 |
106/90 |
B/107 | 106/90 |
140/170 |
106/90 |
140/170 |
106/90 |
0.0041 |
0.103 | 100/80 |
100/80 |
170/200 |
90/75 |
91 | 170/200 |
90/75 |
B/91 | 90/75 |
170/200 |
90/75 |
170/200 |
90/75 |
0.0034 |
0.866 | 80/63 |
80/63 |
200/230 |
75/63 |
76 | 200/230 |
75/63 |
B/76 | 75/63 |
200/230 |
75/63 |
200/230 |
75/63 |
0.0030 |
0.075 | 63/50 |
63/50 |
230/270 |
63/53 |
64 | 230/270 |
63/53 |
B/64 | 63/53 |
230/270 |
63/53 |
230/270 |
63/53 |
0.0026 |
0.066 | 50/40 |
50/40 |
270/325 |
53/45 |
54 | 270/325 |
53/45 |
B/54 | 53/45 |
270/325 |
53/45 |
270/325 |
53/45 |
0.0022 |
0.057 |
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325/400 |
45/38 |
46 | 325/400 |
45/38 |
B/46 | 45/38 |
325/400 |
45/38 |
325/400 |
45/38 |
0.0019 |
0.048 |
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