Shock absorber strip steel surfaces
Sandvik's strip steel for shock absorber shims is delivered bright, fine polished. The edges are slit and deburred. Shaved edges can be supplied on request.
Flatness
Maximum out-of-flatness across and along the strip is 0.30% of the nominal strip width.
Surfaces roughness
Maximum surface roughness values, cut-off 0.25 mm (0.0098 in.), are shown in the table.
|
Thickness
|
Ra
|
Rmax
|
|||
|---|---|---|---|---|---|
|
mm
|
in.
|
μm
|
μin.
|
μm
|
μin.
|
|
≤0.508
|
≤0.020
|
0.10
|
4.0
|
1.0
|
40
|
|
>0.508
|
>0.020
|
0.25
|
10.0
|
2.5
|
100
|
Surface defects
A small number of surface defects, such as pits and roll marks, with a depth of height up to 5 μm (200 μin.) maximum is allowed. The maximum scratch depth is 2.0 μm (80 μin.).