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Author Topic: Small Spots on Stainless Steel  (Read 767 times)

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Canadian John

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Small Spots on Stainless Steel
« on: November 07, 2017, 09:51:56 AM »

 Sometimes there are these small (about 1/16" diameter) spots that remain on the surface of the stainless steel after cleaning or just there being an eye sore. Could be oil, sauce or?  They are hard to remove if at all..That led me back to a machinist friend who told me the best way to clean a file (metal work) was to use a"popsicle stick". It is amazing how well it works..

Thinking of the polished surface of stainless being much like the teeth of a file but on a much smaller scale,I thought the popsicle stick could work at removing these spots..I gave it a try and found it works well..The trick is to go with the grain and push down hard on the stick so it conforms to the metals finish getting to the bottom of the polish marks and pushing out the spot..I found it doesn't scratch either..
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Jcorwin818

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Re: Small Spots on Stainless Steel
« Reply #1 on: November 07, 2017, 10:33:59 AM »

Sounds like you have a little granular pitting.  Glad the machinist gave you that tip, I sold Stainless to manufacturers for 40 years and never heard that one.
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pmillen

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Re: Small Spots on Stainless Steel
« Reply #2 on: November 07, 2017, 02:14:22 PM »

John, can you get someone to take a photograph of you rubbing on one of those spots?  I visualize one method but I'd like to see the real thing.

Could those spots be rustable fragments left from scouring with steel wool?
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Paul

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Re: Small Spots on Stainless Steel
« Reply #3 on: November 07, 2017, 04:40:51 PM »

That’s another possibility and could be alttle carbon contamination resulting for various reasons like steel wool or even improper homogenization.  If they looked like little rust spots that would tell us more about what is going on.
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Canadian John

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Re: Small Spots on Stainless Steel
« Reply #4 on: November 07, 2017, 05:00:08 PM »

 Not "granular pitting",Not "rustable fragments" Nor "carbon contamination"..In my case it was small droplets of bbq sauce that were left on to burn onto the stainless...Paul M, sorry, my camera and I have problems = no photo.  Just hold the stick ~ 45º to the surface and push down hard.
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Quadman750

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Re: Small Spots on Stainless Steel
« Reply #5 on: November 07, 2017, 06:13:31 PM »

A good reason to buy popsicles :lick:
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