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公制mm与目mesh及英制inch的转换关系表


公制 mm 与目 mesh 及英制 inch 的转换关系表
Sieve Designation Standard 25.4 mm 22.6 mm 19.0 mm 16.0 mm 13.5 mm 12.7 mm 11.2 mm 9.51 mm 8.00 mm 6.73 mm 6.35 mm 5.66mm 4.76 mm 4.00 mm 3.36 mm 2.83 mm 2.38 mm 2.00 mm 1.68 mm 1.41 mm 1.19 mm 1.00 mm 841 mm 707 mm 595 mm 500 mm 420 mm 354 mm 297 mm 250 mm 210 mm 177 mm 149 mm 125 mm 105 mm 88 mm Mesh 1 in. 7/8 in. 3/4 in. 5/8 in. 0.530 in. 1/2 in. 7/16 in. 3/8 in. 5/16 in. 0.265 in. 1/4 in. No.3 1/2 No. 4 No. 5 No. 6 No. 7 No. 8 No. 10 No. 12 No. 14 No. 16 No. 18 No. 20 No. 25 No. 30 No. 35 No. 40 No. 45 No. 50 No. 60 No. 70 No. 80 No. 100 No. 120 No. 140 No. 170 inches 1.00 0.875 0.750 0.625 0.530 0.500 0.438 0.375 0.312 0.265 0.250 0.223 0.187 0.157 0.132 0.111 0.0937 0.0787 0.0661 0.0555 0.0469 0.0394 0.0331 0.0278 0.0234 0.0197 0.0165 0.0139 0.0117 0.0098 0.0083 0.0070 0.0059 0.0049 0.0041 0.0035 Nominal Sieve Opening mm 25.4 22.6 19.0 16.0 13.5 12.7 11.2 9.51 8.00 6.73 6.35 5.66 4.76 4.00 3.36 2.83 2.38 2.00 1.68 1.41 1.19 1.00 0.841 0.707 0.595 0.500 0.420 0.354 0.297 0.250 0.210 0.177 0.149 0.125 0.105 0.088 Microns 25400 22600 19000 16000 13500 12700 11200 9510 8000 6730 6350 5660 4760 4000 3360 2830 2380 2000 1680 1410 1190 1000 841 707 595 500 420 354 297 250 210 177 149 125 105 88

74 mm 63 mm 53 mm 44 mm 37 mm

No. 200 No. 230 No. 270 No. 325 No. 400

0.0029 0.0025 0.0021 0.0017 0.0015

0.074 0.063 0.053 0.044 0.037

74 63 53 44 37



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