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Nominal Dimensions of Standard Sieves
Sieve opening (mm) USA standard ASTM E 11-61 Mesh number Tyler (mesh/in.) British standard (mesh/in.)
0.037 400 400 —
0.044 325 325 —
0.045 — — 350
0.053 270 270 300
0.063 230 250 240
0.074 200 200 —
0.075 — — 200
0.088 170 170 —
0.090 — — 170
0.105 140 150 150
0.125 120 115 120
0.149 100 100 —
0.150 — — 100
0.177 80 80 —
0.180 — — 85
0.210 70 65 72
0.250 60 60 60
0.297 50 48 —
0.300 — — 52
0.354 45 42 —
0.355 — — 44
0.420 40 35 35
0.500 35 32 30
0.595 30 28 —
0.600 — — 25
0.707 25 24 —
0.710 — — 22
0.841 20 20 —
1.00 18 16 16
1.19 16 14 —
1.20 — — 14
1.41 14 12 —
1.68 12 10 10
2.00 10 9 8
 
 
 
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