I have 2 oxygen tanks and 2 acetylene tanks but no use for them? Where can I sell them? Or do some welding supply shops trade tanks for argon/co2?

I've never actually had to go and buy gas myself so I have no idea.

 

dont tip over the acetylene tanks or lay them on their side.

 

Why?
And how much are they worth?

 

wish you were closer..i would buy them

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by dfoxengr &raquo;</TD></TR><TR><TD CLASS="quote">dont tip over the acetylene tanks or lay them on their side.</TD></TR></TABLE>

i was under the impression that this was ok as long as you have them upright an hour or so to allow the acetone and acetylene to seperate again.

 

technically, but you wouldnt find me doing it.lol

also they cannot be transported on their sides. it is illegal in VA i know and may be in other places too.

 

you can most likley trade the oxygen tanks straight across for argon.

my gas supplier traded my old oxygen tanks for argon plus cost of the fill, testing(since they were expired) and new valves(since he said they had to come out to test the tanks). so I still saved a couple hundred$$ even after paying for all that.

 

can you trade them in even if you dont have papers on them though?

 

im not sure. the tanks i traded in were only 125cf. I dont think they'll even fill the big *** tanks without having papers for them.

 

how tall and diameter are 125's?

 

48" to the top of the valve X 7"

 

I know when I first started welding I decided to buy some used bottles on Ebay. I received some very good bottles but there was no paperwork. Praxair and Airgas wouldn't touch them. I thought I was SOL but then I found a local small-time welding shop who traded them for his certified, albeit rustier bottles.

The big companies flip out if there is no papers, or if a hydrotest is overdue. Some of the smaller shops are more forgiving. I don't know if that is good or not.