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Parameter Nesting index
(cut-off)
Section length
(for Rz)
Evaluation length
Rz 
(μm)
Ra 
(μm)
Nic
(mm)
lsc
(mm)
le
(mm)
up to
0.16
up to
0.02
0.08 0.08 0.4
> 0.16
to
0.8
> 0.02
to
0.1
0.25 0.25 1.25
> 0.8
to
16
> 0.1
to
2.0
0.8 0.8 4
> 16
to
80
> 2.0
to
10
2.5 2.5 2.5
>80 >10 8 8 40