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How can I tell?

post #1 of 3
Thread Starter 

Hi Everyone,

First post, but I've been lurking here a bit.  I recently decided to make a back yard bbq pit and purchased a sheet of 3/4 - 13 expanded metal.  I specifically asked for non-galvanized carbon steel, and was told thats what I got.  When I got it home and started cleaning it, it looks galvanized to me... Is there any sure fire way to tell?  Overall I'm suspicious from the lack of rust (just a couple of small spots) and the "shiner" color.  I tried applying a wet paper towel soaked in salt water overnight and only found small drops of rust here and there, not under the entire paper towel.  I also tried heating it red hot with my torch in places, but I didn't notice any white ashy substance on the top layer... Any other thoughts on ways to test?  Thanks in advance.

post #2 of 3

The difference between galv. and non galv. bolts...

 

 

 

 

 

 

images?q=tbn:ANd9GcRxW7JnBjFNnv7sao2EwCQtKnEw5B42KkmItgugAr0OMGaIltvj    images?q=tbn:ANd9GcTQpLiCMTtJFMYHD4dR_2_1zmAYAzH9_m5us_6xoGZSUmXcqxXbIw

post #3 of 3
Quote:
Originally Posted by leep1 View Post

Hi Everyone,

First post, but I've been lurking here a bit.  I recently decided to make a back yard bbq pit and purchased a sheet of 3/4 - 13 expanded metal.  I specifically asked for non-galvanized carbon steel, and was told thats what I got.  When I got it home and started cleaning it, it looks galvanized to me... Is there any sure fire way to tell?  Overall I'm suspicious from the lack of rust (just a couple of small spots) and the "shiner" color.  I tried applying a wet paper towel soaked in salt water overnight and only found small drops of rust here and there, not under the entire paper towel.  I also tried heating it red hot with my torch in places, but I didn't notice any white ashy substance on the top layer... Any other thoughts on ways to test?  Thanks in advance.

no ashy= non galvanized

David

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