Testing Sieves, 8" Brass

sieves
Specifications
Basic information on each piece of equipment

Eight inch brass screens owned by the ARF manufactured by Fisher, Hogentogler, Newark, and Tyler. We also have one 8" lid and two 8" bottom pans (a half height and a full height).

Number in ARF 
Inventory
Bureau of Standards
Sieve Number
Specified
Sieve Opening
Specified
Wire Diameter
Inches
    Inches Microns  
  4 .187 4760 .050
  5 .157 4000 .044
  6 .132 3360 .040
  7 .111 2830 .036
  8 .0937 2380 .0331
1 10 .0787 2000 .0299
1 12 .0661 1680 .0272
  14 .0555 1410 .0240
  16 .0469 1190 .0213
1 18 .0394 1000 .0189
  20 .0331 840 .0165
  25 .0280 710 .0146
  30 .0232 590 .0130
1 35 .0197 500 .0114
  40 .0165 420 .0098
  45 .0138 350 .0087
  50 .0117 297 .0074
1 60 .0098 250 .0064
  70 .0083 210 .0055
  80 .0070 177 .0047
  100 .0059 149 .0040
1 120 .0049 125 .0034
1 140 .0041 105 .0029
  170 .0035 88 .0025
  200 .0029 74 .0021
3 230 .0024 63 .0018
1 270 .0021 53 .0016
  325 .0017 44 .0014

Table from http://www.wirecloth.com/howto/convert/ussieve.html