Need Help Identifying Type Of Brass

Hi everyone just recently i picked up some brass pieces when i went out looking through a council hard rubbish collection
for goodies but the problem is these brass pieces have a slight magnetic attraction to an earth magnet, i spoke to a friend
of mine who has knowledge of different types of metals, and he says the brass probably contains nickel that is why it shows
a weak attraction to an earth magnet but i am still unsure. This is what i have picked up, i have picked up some brass knobs
some brass gas nozzles which i pulled out of a barbeque. plus i found and old style tap and all of these pieces seem to be
mildly attracted to the earth magnet i have, where as some of the other brass pieces i have are not attracted to the earth
magnet at all. All of my brass pieces look like yellow brass and i am pretty sure they are not brass coated steel pieces.

Here are the pictures below i am hoping someone can help me sort this out i am really confused here.

http://img403.imageshack.us/img403/5370/img0650x.jpg

http://img135.imageshack.us/img135/6519/img0640r.th.jpg

Thanks guys for the help much appreciated.

:confused::confused::confused:

yellow brass

I suspect that each of those pieces has a bit of ferrous somewhere. The knobs for example look like they have a broken off steel screw in them yet, the faucet probably has a steel screw holding on the handle. You'll just have to examine each piece real thoroughly.

Quote:

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Originally Posted by RustyDollars

I suspect that each of those pieces has a bit of ferrous somewhere. The knobs for example look like they have a broken off steel screw in them yet, the faucet probably has a steel screw holding on the handle. You'll just have to examine each piece real thoroughly.

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Nope sorry there are no screws inside any of the brass knobs i helds onto the knobs and undid the screws from the inside of the removed drawers, and i cant see any steel inside any of the taps either, i am still confused.
When i get time i will cut one of the pieces in half with a grinder to have a closer look. Should i throw these pieces in with my other yellow brass or should i keep them seperate and tell the scrap yard?

Throw them in with the other brass, you'll be fine.

As far as the valves go, they probably have small spring steel O rings or springs imbedded in the valve somewhere.

Yellow brass bucket!

welcome back! New :) Hope your mom is doing ok!

I dig those metal bits out of there ; )

Thanks for all of the help guys in identifying what type of brass it is but i finally figured it out already, its irony brass.

Quote:

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Originally Posted by thecritta

Thanks for all of the help guys in identifying what type of brass it is but i finally figured it out already, its irony brass.

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what was the price quote for dirty brass vs clean yellow brass?

Manganese bronze will have the slight magnetic pull you are getting. I usually see it on bigger more industrial pieces but that doesnt mean it isnt. Any knowledgeable yard will buy it with and as yellow.....