Surface roughness - use micro-meters or ISO N scale?

[dculp1]

Which is generally preferred - micro-meters or ISO N scale? (See

http://www.engineersedge.com/manufacturing/surface-roughness-conversion.htm)

Thanks.
Don C.

 

[dgallup]

I have never seen the N scale used so I would say micro meters.

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The Help for this program was created in Windows Help format, which depends on a feature that isn't included in this version of Windows.

 

[SeasonLee]

Table 5 and Section 5.1 will give you the answer.

Season

 

[CheckerHater]

The "new" N grade numbers were abandoned as long ago as 1992

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