U.S.A.
SIEVE
SERIES
and
TYLER
EQUIVALENTSA. S. T. M.
-E-11-70
|
Sieve
Designation |
Sieve
Opening |
Nominal
Wire Diameter |
Tyler
Screen
Scale
Equiv.
Design-
ation |
| Standard(a) |
Alternate |
mm |
equiv-
alent |
mm |
equi-
valent |
| 125 mm |
5.in. |
125 |
5 |
8 |
0.315 |
|
| 106 mm |
4.24 in. |
106 |
4.24 |
6.4 |
0.252 |
|
| 100 mm |
4.0 in. (b) |
100 |
4 |
6.3 |
0.248 |
|
| 90 mm |
3 1/2 in. |
90 |
3.5 |
6.08 |
0.2394 |
|
| 75 mm |
3.0 in. |
75 |
3 |
5.8 |
0.2283 |
|
| 63 mm |
2 1/2 in. |
63 |
2.5 |
5.5 |
0.2165 |
|
| 53 mm |
2.12 in. |
53 |
2.12 |
5.15 |
0.2028 |
|
| 50 mm |
2.0 in. (b) |
50 |
2 |
5.05 |
0.1988 |
|
| 45 mm |
1 3/4 in. |
45 |
1.75 |
4.85 |
0.1909 |
|
| 37.5 mm |
1 1/2 in. |
37.5 |
1.5 |
4.59 |
0.1807 |
|
| 31.5 mm |
1 1/4 in. |
31.5 |
1.25 |
4.23 |
0.1665 |
|
| 26.5 mm |
1.06 in. |
26.5 |
1.06 |
3.9 |
0.1535 |
1.050 in. |
| 25.0 mm |
1.0 in. (b) |
25 |
1 |
3.8 |
0.1496 |
|
| 22.4 mm |
7/8 in. |
22.4 |
0.875 |
3.5 |
0.1378 |
.883 in. |
| 19.0 mm |
3/4 in. |
19 |
0.75 |
3.3 |
0.1299 |
.742 in. |
| 16.0 mm |
5/8 in. |
16 |
0.625 |
3 |
0.1181 |
.624 in. |
| 13.2 mm |
.530 in. |
13.2 |
0.53 |
2.75 |
0.1083 |
.525 in. |
| 12.5 mm |
1/2 in. (b) |
12.5 |
0.5 |
2.67 |
0.1051 |
|
| 11.2 mm |
7/16 in. |
11.2 |
0.438 |
2.45 |
0.0965 |
.441 in. |
| 9.5 mm |
3/8 in. |
9.5 |
0.375 |
2.27 |
0.0894 |
.371 in. |
| 8.0 mm |
5/16 in. |
8 |
0.312 |
2.07 |
0.0815 |
2 1/2 mesh |
| 6.7 mm |
.265 in. |
6.7 |
0.265 |
1.87 |
0.0736 |
3.0 mesh |
| 6.3 mm |
1/4 in. (b) |
6.3 |
0.25 |
1.82 |
0.0717 |
|
| 5.6 mm |
No. 3 1/2 © |
5.6 |
0.223 |
1.68 |
0.0661 |
3 1/2 mesh |
| 4.75 mm |
No. 4 |
4.75 |
0.187 |
1.54 |
0.0606 |
4 mesh |
| 4.00 mm |
No. 5 |
4 |
0.157 |
1.37 |
0.0539 |
5 mesh |
| 3.35 mm |
No. 6 |
3.35 |
0.132 |
1.23 |
0.0484 |
6 mesh |
| 2.80 mm |
No. 7 |
2.8 |
0.111 |
1.1 |
0.043 |
7 mesh |
| 2.36 mm |
No. 8 |
2.36 |
0.0937 |
1 |
0.0394 |
8 mesh |
| 2.00 mm |
No. 10 |
2 |
0.0787 |
0.9 |
0.0354 |
9 mesh |
| 1.70 mm |
No. 12 |
1.7 |
0.0661 |
0.81 |
0.0319 |
10 mesh |
| 1.40 mm |
No. 14 |
1.4 |
0.0555 |
0.725 |
0.0285 |
12 mesh |
| 1.18 mm |
No. 16 |
1.18 |
0.0469 |
0.65 |
0.0256 |
14 mesh |
| 1.00 mm |
No. 18 |
1 |
0.0394 |
0.58 |
0.02285 |
16 mesh |
| 850 um |
No. 20 |
0.85 |
0.0331 |
0.51 |
0.0201 |
20 mesh |
| 710 um |
No. 25 |
0.71 |
0.0278 |
0.45 |
0.0177 |
24 mesh |
| 600 um |
No. 30 |
0.6 |
0.0234 |
0.39 |
0.0154 |
28 mesh |
| 500 um |
No. 35 |
0.5 |
0.0197 |
0.34 |
0.0134 |
32 mesh |
| 425 um |
No. 40 |
0.425 |
0.0165 |
0.29 |
0.0114 |
35 mesh |
| 355 um |
No. 45 |
0.355 |
0.0139 |
0.247 |
0.0097 |
42 mesh |
| 300 um |
No. 50 |
0.3 |
0.0117 |
0.215 |
0.0085 |
48 mesh |
| 250 um |
No. 60 |
0.25 |
0.0098 |
0.18 |
0.0071 |
60 mesh |
| 212 um |
No. 70 |
0.212 |
0.00083 |
0.152 |
0.006 |
65 mesh |
| 180 um |
No. 80 |
0.18 |
0.007 |
0.131 |
0.0052 |
80 mesh |
| 150 um |
No. 100 |
0.15 |
0.0059 |
0.11 |
0.0043 |
100 mesh |
| 125 um |
No. 120 |
0.125 |
0.0049 |
0.091 |
0.0036 |
115 mesh |
| 106 um |
No. 140 |
0.106 |
0.0041 |
0.076 |
0.003 |
150 mesh |
| 90 um |
No. 170 |
0.09 |
0.0035 |
0.064 |
0.0025 |
170 mesh |
| 75 um |
No. 200 |
0.075 |
0.0029 |
0.053 |
0.0021 |
200 mesh |
| 63 um |
No. 230 |
0.063 |
0.0025 |
0.044 |
0.0017 |
250 mesh |
| 53 um |
No. 270 |
0.053 |
0.0021 |
0.037 |
0.0015 |
270 mesh |
| 45 um |
No 325 |
0.045 |
0.0017 |
0.03 |
0.012 |
325 mesh |
| 38 um |
No. 400 |
0.038 |
0.0015 |
0.025 |
0.001 |
400 mesh |
| |
(a) These standard
designations correspond to the values for test
sieve apertures recommended by the International
Standards Organization Geneva, Switzerland.
|
(b) These sieves are not in
the fourth root of 2 Series, but they have been
included because they are in common usage.
|
(c) These numbers (3 1/2 to
400) are the approximate number of openings per
linear inch but it is preferred that the sieve be
identified by the standard designation in
millimeters or um.
|
|