Proctologically Violated©® wrote:

Yeah, but if both carbon and some SS are magnetic, how to tell the diff?
Even if the SS is *less* magnetic, it still is not always clear, depending
on the magnet, etc.
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Mr. P.V.'d
formerly Droll Troll
"Footy" wrote in message
...


With a magnet?








And....even non magnetic 300 series stainless becomes magnetic when work
hardened. Sometimes the magnetization can be high enough that the "not
as magnetic" standard is hard to judge.

Get a rare earth magnet instead of the cheepies to test. Have a couple
of known samples to get the feel for it. It will never be the final
word but but you can easily learn to kick out the carbon steel and best
guess worked 300 series from 400 series. Just when you think you've
finally got the hang of judging by magnet, a sample always shows up that
doesn't fit the profile.

And just to poke the newbies to stainless: It's not called "stain free"
it's called "stain less"....that's for a reason.

Koz (who constantly gets people thinking the stainless was bad because
it didn't stay shiny after 5 years of washdowns with chemical soup)