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Unread 11-07-2005, 05:14 AM   #4
bobo5195
Cooling Savant
 
Join Date: Aug 2005
Location: uk
Posts: 400
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im guessing that its average roughness is 1.6 um.

Variance describes the height difference along the surface as im guessing that this is for some kind of piping. Ie lowest point is 6.3um below top point with everything all square. This to stop pipe misalignment im guessing.
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