sieve micron size comparison table

microns mm Mesh No.
UK		 Mesh No.
USA (ASTM)		 Mesh No.
USA (TYLER)
8000 8.000 n/a 5/16 in 2.5
6700 6.700 1 0.265 in 3
5600 5.600 3 3.5 3.5
4750 4.750 3.5 n/a 4
4000 4.000 4 5 5
3350 3.350 5 6 6
2800 2.800 6 7 7
2360 2.360 7 8 8
2000 2.000 8 10 9
1700 1.700 10 12 10
1400 1.400 12 14 12
1180 1.180 14 16 14
1000 1.000 16 18 16
850 0.850 18 20 20
710 0.710 22 25 24
600 0.600 25 30 28
500 0.500 30 35 32
425 0.425 36 40 35
355 0.355 44 45 42
300 0.300 52 50 48
250 0.250 60 60 60
212 0.212 72 70 65
180 0.180 85 80 80
150 0.150 100 100 100
125 0.125 120 120 115
106 0.106 150 140 150
90 0.090 170 170 170
75 0.075 200 200 200
63 0.063 240 230 250
53 0.053 300 270 270
45 0.045 350 325 325
38 0.038 400 400 400
32 0.032 440 450 n/a
25 0.025 n/a 500 500
20 0.020 n/a 635 n/a

 

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