Transcription of SURFACE FINISH CROSS REFERENCE CHART
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.