Black Finish Suggestions on 301 SS
Black Finish Suggestions on 301 SS
(OP)
I have a few small sheet metal flat springs made from 301 SS. In this case small means around 0.5 mm thick and about 25 mm longest dimension. I need the parts to have a black finish to reduce reflected light. These parts are going inside a device with light sensitive components. Abrasion resistance is also a concern. Can anyone suggest finishes that might work for this application?





RE: Black Finish Suggestions on 301 SS
You can apply a black zinc plate, but as far as I know, it is shiny. Why do you need 301SS? If you make the springs out of aluminium, you can apply matte black anodize. If you use black delrin, you can apply rough, machined finish, perhaps 250/500μin RMS.
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JHG
RE: Black Finish Suggestions on 301 SS
Do you know if 301 SS can have black oxide applied?
RE: Black Finish Suggestions on 301 SS
If you know how the springs are being bent, you should be able to do the structural analysis. I do this all the time. Stainless steel and aluminium are not particularly good spring materials, as they do not tolerate a lot of deflection. Delrin usually is better. If you need a lot of force, look into beryllium copper, or titanium.
Can you paint this thing?
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JHG
RE: Black Finish Suggestions on 301 SS
See attached.
STF
RE: Black Finish Suggestions on 301 SS
RE: Black Finish Suggestions on 301 SS
TTFN (ta ta for now)
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RE: Black Finish Suggestions on 301 SS
Nathan Brink
RE: Black Finish Suggestions on 301 SS
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RE: Black Finish Suggestions on 301 SS
RE: Black Finish Suggestions on 301 SS
RE: Black Finish Suggestions on 301 SS
Han primo incensus