What are the differences in the labeling and particle size labeling of superhard powder in different countries?
Different countries and important enterprises in the world have their own standards and codes for diamond. Please refer to the comparison table:
Grit size comparison table
China
GB/T6460-1996 |
ISO&JIS B 4130:1998 |
FEPA
(D-Diamond -CBN) |
ANSI
B74.16-1971 |
DIN848-1988
(D- Diamond -CBN) |
Γ OCT9206-80 |
|||||||
Mesh
Size |
Size
Range |
Grit |
Mesh
Size |
Size
Range |
Grit |
Mesh
Size |
Mesh
Size |
Size
Range |
Grit |
Size
Range |
Grit |
Size
Range |
40/45 |
425/355 |
426 |
—— |
425/355 |
D/B426 |
425/355 |
40/45 |
425/300 |
D/B426 |
425/355 |
400/315 |
400/315 |
45/50 |
355/300 |
356 |
—— |
355/300 |
D/B356 |
355/300 |
D/B356 |
355/300 |
||||
50/60 |
300/250 |
301 |
50/60 |
300/250 |
D/B301 |
300/250 |
50/60 |
300/250 |
D/B301 |
300/250 |
315/200 |
315/200 |
60/70 |
250/212 |
251 |
—— |
250/212 |
D/B251 |
250/212 |
60/80 |
250/180 |
D/B251 |
250/212 |
250/200 |
250/200 |
70/80 |
212/180 |
213 |
—— |
212/180 |
D/B213 |
212/180 |
D/B213 |
212/180 |
200/160 |
200/160 |
||
80/100 |
180/150 |
181 |
80/100 |
180/150 |
D/B181 |
180/150 |
80/100 |
180/150 |
D/B181 |
180/150 |
||
100/120 |
150/125 |
151 |
100/120 |
150/125 |
D/B151 |
150/125 |
100/120 |
150/125 |
D/B151 |
150/125 |
160/125 |
160/125 |
120/140 |
125/106 |
126 |
120/140 |
125/106 |
D/B126 |
125/106 |
120/140 |
125/106 |
D/B126 |
125/106 |
125/100 |
125/100 |
140/170 |
106/90 |
107 |
140/170 |
106/90 |
D/B107 |
106/90 |
140/170 |
106/90 |
D/B107 |
106/90 |
100/80 |
100/80 |
170/200 |
90/75 |
91 |
170/200 |
90/75 |
D/B91 |
90/75 |
170/200 |
90/75 |
D/B91 |
90/75 |
||
200/230 |
75/63 |
76 |
200/230 |
75/63 |
D/B76 |
75/63 |
200/230 |
75/63 |
D/B76 |
75/63 |
80/63 |
80/63 |
230/270 |
63/53 |
64 |
230/270 |
63/53 |
D/B64 |
63/53 |
230/270 |
63/53 |
D/B64 |
63/53 |
63/50 |
63/50 |
270/325 |
53/45 |
54 |
270/325 |
53/45 |
D/B54 |
53/45 |
270/325 |
53/45 |
D/B54 |
53/45 |
50/40 |
50/40 |
325/400 |
45/38 |
46 |
325/400 |
45/38 |
D/B46 |
45/38 |
325/400 |
45/38 |
D/B46 |
45/38 |
Micropowder Mesh Size and Comparison table
China GB6966.2-86 |
JIS6002-63 |
FEPA |
ANSI
B74.20-1971 |
DIN 848-65 |
B.S.1987 |
Γ OCT9206-80 |
G.E.CO. |
De Beers Co. |
||||
Grit (Size Range) |
Grit |
Size Range |
Grit |
Size Range |
Grit |
Size Range |
Grit |
Size Range |
Grit (Size Range) |
Grit (Size Range) |
Grit (Size Range) |
Grit (Size Range) |
36-54 |
400 |
37/43 |
M63 |
42-84 |
60 |
54-80 |
D45 |
40/50 |
40-60 |
60/40 |
36-54 |
30-60 |
22-36 |
500 |
34/28 |
M40 |
27-53 |
45 |
36-54 |
D35 |
32/40 |
27-40 |
40/28 |
22-36 |
20-40 |
20-30 |
600 |
28/24 |
M25 |
16-34 |
30 |
22-36 |
D25 |
25/32 |
18-27 |
28/20 |
20-30 |
15-30 |
12-22 |
700 |
24/20 |
M16 |
10-22 |
15 |
12-22 |
D20 |
25/40 |
12-18 |
20/14 |
12-22 |
—— |
10-20 |
800 |
20/16 |
—— |
—— |
—— |
—— |
D20A |
25/30 |
—— |
—— |
10-20 |
10-20 |
—— |
1000 |
16/13 |
—— |
—— |
—— |
—— |
D20B |
30/40 |
—— |
14/10 |
10-15 |
8-16 |
8-12 |
1200 |
13/10 |
—— |
—— |
9 |
8-12 |
D15 |
15/25 |
8-12 |
10/7 |
6-12 |
6-12 |
6-12 |
1500 |
10/8 |
M10 |
6-14 |
—— |
—— |
D15A |
10/15 |
—— |
—— |
5-10 |
—— |
5-10 |
2000 |
8/6 |
M6.3 |
4-9 |
6 |
4-9 |
D15B |
15/20 |
—— |
—— |
4-8 |
4-8 |
4-8 |
2500 |
6/5 |
—— |
—— |
—— |
—— |
D15C |
20/25 |
4-8 |
7/5 |
3-6 |
3-6 |
3-6 |
3000 |
5/4 |
—— |
—— |
—— |
—— |
D7 |
5/10 |
—— |
—— |
—— |
—— |
2.5-5 |
4000 |
4/3 |
M4.0 |
2.5-5.5 |
3 |
2.5-5.5 |
D3 |
2/5 |
—— |
5/3 |
—— |
—— |
2-4 |
5000 |
3/2 |
M2.5 |
1.5-3.5 |
—— |
—— |
—— |
—— |
2-4 |
3/2 |
2-4 |
2-4 |
1.5-3 |
—— |
—— |
M1.6 |
1.0-2.5 |
1 |
1.5-3.5 |
—— |
—— |
—— |
—— |
1-3 |
1.5-3 |
0-2 |
—— |
—— |
—— |
—— |
1/2 |
1.0-2.5 |
—— |
—— |
—— |
2/1 |
0-2 |
0-2 |
0.5-1.5 |
8000 |
2/1 |
M1.0 |
0.5-1.5 |
D1 |
1/2 |
1-2 |
—— |
1-2 |
0.75-1.5 |
||
0.5-1.0 |
—— |
—— |
—— |
—— |
—— |
—— |
D0.7 |
0.5/1 |
—— |
—— |
—— |
0.5-1 |
0-1.0 |
15000 |
1/0 |
—— |
—— |
—— |
—— |
—— |
—— |
0-1 |
1/0 |
0-1 |
0-1 |
0-0.5 |
—— |
—— |
—— |
—— |
—— |
—— |
D0.25 |
≤0.5 |
—— |
—— |
0-0.5 |
0.05 |