u.s. sieve seriesand screen scale equivalents a.s.t.m ... · 5 in. 4.24 in. 4 in. (b) 3 1/ 2 in. 3...

5 in.4.24 in.4 in. (b)3 1/2 in.

3 in.2 1/2 in.2.12 in.2 in. (b)1 3/4 in.1 1/2 in.1 1/4 in.1.06 in.1 in. (b)7/8 in.3/4 in.5/8 in.

.530 in.1/2 in. (b)

7/16 in.3/8 in.

5/16 in..265 in.

1/4 in. (b)no. 3 1/2 (c)

No. 4No. 5No. 6No. 7No. 8No.10No.12No.14No.16No.18No.20No.25No.30No.35No.40No.45No.50No.60No.70No.80

No.100No.120No.140No.170No.200No.230No.270No.325No.400No.450No.500No.635

125106100907563535045

37.531.526.525.022.419.016.013.212.511.29.58.06.76.35.6

4.754.003.352.802.362.001.701.401.181.00

0.8500.7100.6000.5000.4250.3550.3000.2500.2120.1800.1500.1250.1060.0900.0750.0630.0530.0450.038

54.244.003.503.002.502.122.001.751.501.251.061.00

0.8750.7500.6250.5300.5000.4380.3750.3120.2650.2500.2230.1870.1570.1320.111

0.09370.07870.06610.05550.04690.03940.03310.02780.02340.01970.01650.01390.01170.00980.00830.00700.00590.00490.00410.00350.00290.00250.00210.00170.0015

0.001260.000980.00079

86.406.306.085.805.505.155.054.854.594.233.903.803.503.303.002.752.672.452.272.071.871.821.681.541.371.231.101.00.900.810.725.650.580.510.450.390.340.290.247.215.180.152.131.110.091.076.064.053.044.037.030.025.0011.001

.0008

.3150

.2520

.2480

.2394

.2283

.2165

.2028

.1988

.1909

.1807

.1665

.1535

.1496

.1378

.1299

.1181

.1083

.1051

.0965

.0894

.0815

.0736

.0717

.0661

.0606

.0539

.0484

.0430

.0394

.0354

.0319

.0285

.0256

.0228

.0201

.0177

.0154

.0134

.0114

.0097

.0085

.0071

.0060

.0052

.0043

.0036

.0030

.0025

.0021

.0017

.0015

.0012

.0010

. . . . .

. . . . .

. . . . .

. . . . .

. . . . .

. . . . .

. . . . .

. . . . .

. . . . .

. . . . .. .. . .

1.050 in.. . . .

.883 in.

.742 in.

.624 in.

.525 in.. . . . .

.441 in.

.371 in.2 1/2 mesh

3 mesh. . . . .

3 1/2 mesh4 mesh5 mesh6 mesh7 mesh8 mesh9 mesh

10 mesh12 mesh14 mesh16 mesh20 mesh24 mesh28 mesh32 mesh35 mesh42 mesh48 mesh60 mesh65 mesh80 mesh

100 mesh115 mesh150 mesh170 mesh200 mesh250 mesh270 mesh325 mesh400 mesh

AlternateStandard mminch

(approx.equivalents) mm

Screen ScaleEquivalent

Designationinch

(approx.equivalents)

Sieve Designation Sieve Opening Nominal Wire Diameter

U.S. SIEVE SERIES AND SCREEN SCALE EQUIVALENTS A.S.T.M. -- E-11-87

(a) These standard designations correspond to the values for test sieves 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 mm.1000 mm = 1 mm.

125 mm106 mm100 mm90 mm75 mm63 mm53 mm50 mm45 mm

37.5 mm31.5 mm26.5 mm25.0 mm22.4 mm19.0 mm16.0 mm13.2 mm12.5 mm11.2 mm9.5 mm8.0 mm6.7 mm6.3 mm5.6 mm

4.75 mm4.00 mm3.35 mm2.80 mm2.36 mm2.00 mm1.70 mm1.40 mm1.18 mm1.00 mm850 mm710 mm600 mm500 mm425 mm355 mm300 mm250 mm212 mm180 mm150 mm125 mm106 mm90 mm75 mm63 mm53 mm45 mm38 mm32 mm25 mm20 mm

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