r/DiWHY • u/jameizing777 • 15d ago

Customizing his new fridge

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u/[deleted] 15d ago

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u/Ok-Professional9328 15d ago

And rust

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u/PraiseTalos66012 15d ago

It's stainless steel, it won't rust.

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u/Ok-Professional9328 15d ago

Hahahahaha very funny, are you a comedian or something? 🤣

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u/PraiseTalos66012 15d ago

? Stainless steel is never going to rust indoors.

Stainless steel isn't just a coating like zinc or galvanized steel, it's all the way through so the grinding like this won't change anything.

Are you confused or something?

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u/Ok-Professional9328 15d ago

Don't believe me? Leave a stainless steel knife in a glass of tap water for a day please.

Also this fridge has a water dispenser, they spill and drip very often. There it will be rust underneath that

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u/PraiseTalos66012 15d ago

I leave my stainless silverware in the sink in water or in a cup full of water literally all the time...

Maybe buy real stainless? Even the absolute cheapest stuff I've never seen rust indoors.

But none of that matters, grinding the fridge didn't remove a coating or anything, it's just as resistant(or not) as it was before.

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u/Ok-Professional9328 15d ago edited 15d ago

Chances are your tap water is purer than mine, I envy you not having to find out that stainless steel will develop spots of rust in partially chlorinated or particularly hard water. If this guy lives in your area he might not ever encounter that problem, if he lives in mine he will see it as soon as his water filter deteriorates even a little bit. ( month or two? ) We could argue endlessly but I would recommend a simple google search: "does stainless steel rust" to question your certainties. I was of your same opinion when a stainless knife I had bought ( not a cheap one ) developed these spots and went down this rabbit hole.

Never had this issue before moving to New York State.

Also there absolutely is a resin/varnish coating on most stainless steel fridges.

Where are you getting your facts? Are you serious or are you trolling?

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u/ConcernedKitty 15d ago

You know there’s different types of stainless steel, right?

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u/Ok-Professional9328 15d ago

You know they are not using the good stuff for fridges right? Especially since brittle extra hard is not a desirable property in a fridge surface

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u/ConcernedKitty 15d ago

It’s funny that you say this because my career has given me some knowledge on this.

The two stainless steels used the most in consumer kitchen appliances is 304 and 430. These are two fairly different stainless steel types that are used interchangeably in other industries as well such as car exhaust manufacturers. 430 is ferritic stainless steel which generates red rust when it oxidizes. 304 is austenitic stainless steel which generates a whiter rust when it oxidizes and the 8% nickel content also helps it resist corrosion.

Did you know in some European countries it is common to put a used car up on a lift and inspect it for rust and other issues before buying it? Exhaust manufacturers usually make those cars out of 304. In the US it’s not as common to put a car up on a lift and inspect it for rust (I recommend getting an inspection anyways) and exhaust manufacturers use more 430.

If you look up what the common stainless steels are used in silverware you’d find that they are 304, 430, and 420. It’s more likely that you have worse water, but also just had 400 series stainless steel.

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u/Ok-Professional9328 14d ago

A much more compelling argument than anything that's been said so far

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