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Stainless steel Reservoir with Cooper Block!! - Page 2

post #11 of 16
There are many alloys that are called "stainless steel".
Some of the alloys are not really suitable for wet environments because they corrode.

I don't think there is a reliable way for the average user to tell if they got crappy stainless steel until it starts to rust....

I've seen people claim that if a magnet will stick to it at all, it is bad stainless, but that isn't true.
There are very highly corrosion resistant stainless steel alloys that are magnetic to some extent until they are hardened.
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post #12 of 16
Quote:
Originally Posted by Caleal View Post
There are many alloys that are called "stainless steel".
Some of the alloys are not really suitable for wet environments because they corrode.

I don't think there is a reliable way for the average user to tell if they got crappy stainless steel until it starts to rust....

I've seen people claim that if a magnet will stick to it at all, it is bad stainless, but that isn't true.
There are very highly corrosion resistant stainless steel alloys that are magnetic to some extent until they are hardened.

I'm no metal expert but I'll chim in on this one. I work on camps feeding people (kitchens and such). If stainless steel rusts, we'd be changing dishwashing machines/work benches/sinks/cooking pans all the time. If the steel is polished I think it should be good.
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post #13 of 16
depends on how "pure" the stainless is. 100% and you will be fine
post #14 of 16
Stainless can corrode in water applications, though I'm not sure what types of stainless this applies to. Stainless is typically non corrode able in oxygen rich environments. This is because the there is a reaction with the chromium content of the metal that creates a corrosion resistant film on the metal. In non oxygen rich environments, such areas where water can become stagnant (not moving), this film is not ideal, and thus the stainless becomes active and changes positions on the galvanic scale such that it will not be friends with copper anymore.

I doubt you would have a problem in a constant moving water loop though.
    
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post #15 of 16
The jet plate in the EK Supreme HF is SS, and that seems to be fine...

Yes it depends on the grade to some extent but most grades are close enough to copper that galvanic corrosion will not be a problem. You should be fine.
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post #16 of 16
Thread Starter 
Thank you all guys.. You are really helpful. Thank you very much. A+
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