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SURFACE FINISH CROSS REFERENCE CHART - All Seals Inc

GRITUSACOMMON[USA] RaE/P RANGE[UK] RaRmax[JAPAN] Rmax APPROX. RMSISOASTM #NAMEMICROINCHRa MICROINCHMICRONMICROINCHMICRONMICROINCHN UMBERRa #1 Mill Plate25050 #2 Satin Sheet70 - - 120#35258120#4 Commercial #440 - 60 #43A Sanitary Finish42 - 4746 - 35 ANSI #4 Sanitary #430 - 203425 #10020 - 30200 - 220#4 SBiothech Finish25 - 25240#615 - 2010 - 15178 - - 15320#712 - - 14 Buff # #300400#8 Mirror Finish4 - 8500#8 Supermirror FINISH < 43 - 8500#8 Supermirror - 10N3 Buff # FINISH CROSS REFERENCE CHARTC ommon USA name. ASTM A480.

grit usa common [usa] ra e/p range [uk] ra rmax [japan] rmax approx. rms iso astm std japanese no. finish # name microinch ra microinch micron microinch micron microinch number ra microinch standard 2000 50 7875 200 n12 1000 25 3940 100 n11 500 12.5 1968 50 n10 60 #1 mill plate 250 50 max. 8.3 985 25 n9 140 max. 125 3.2 492 12.5 n8

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  Surfaces, Ranges, Finish, Trig, Surface finish

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Transcription of SURFACE FINISH CROSS REFERENCE CHART - All Seals Inc

1 GRITUSACOMMON[USA] RaE/P RANGE[UK] RaRmax[JAPAN] Rmax APPROX. RMSISOASTM #NAMEMICROINCHRa MICROINCHMICRONMICROINCHMICRONMICROINCHN UMBERRa #1 Mill Plate25050 #2 Satin Sheet70 - - 120#35258120#4 Commercial #440 - 60 #43A Sanitary Finish42 - 4746 - 35 ANSI #4 Sanitary #430 - 203425 #10020 - 30200 - 220#4 SBiothech Finish25 - 25240#615 - 2010 - 15178 - - 15320#712 - - 14 Buff # #300400#8 Mirror Finish4 - 8500#8 Supermirror FINISH < 43 - 8500#8 Supermirror - 10N3 Buff # FINISH CROSS REFERENCE CHARTC ommon USA name. ASTM A480.


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