old welding rod

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old welding rod mikemo 06-19-2007
Posted by mikemo on June 19, 2007, 1:35 pm
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A friend of mine is giving me a Lincoln "tombstone" arc welder that
has been sitting in his garage for 15+ years (it needs the fan
repaired). He also gave me several boxes of welding rod of the same
vintage. I know the rod is sensitive to moisture. Is there a way to
dry the rod out and use it, or should I scrap it. Would it be good for
practicing (I'm a rookie weldor)?
Thanks
Mike M.


Posted by RoyJ on June 19, 2007, 2:19 pm
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It depends a lot on exactly what rod you have and what climate you are
in. The cellulose based rods are fine as long as they are not rusty, the
lo-hydrogen rods would be junk if not stored properly. See if you can
get some AWS spec numbers off any boxes, compare them to this list
http://www.lincolnelectric.com/knowledge/articles/content/awsclassification.asp

There are some specific procedures for drying out some of the rods that
vary with each type of rod. Thee is no "general" procedure.

Try running some rod on scrap material. If the rod settles down to a
smooth arc, you are good to go. If the original owner bought some
vanilla rods to use on his machine, odds are good they are 6011 and 6013
which should work fairly well in spite of the years.

mikemo wrote:
> A friend of mine is giving me a Lincoln "tombstone" arc welder that
> has been sitting in his garage for 15+ years (it needs the fan
> repaired). He also gave me several boxes of welding rod of the same
> vintage. I know the rod is sensitive to moisture. Is there a way to
> dry the rod out and use it, or should I scrap it. Would it be good for
> practicing (I'm a rookie weldor)?
> Thanks
> Mike M.
>

Posted by Ernie Leimkuhler on June 20, 2007, 2:06 am
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> A friend of mine is giving me a Lincoln "tombstone" arc welder that
> has been sitting in his garage for 15+ years (it needs the fan
> repaired). He also gave me several boxes of welding rod of the same
> vintage. I know the rod is sensitive to moisture. Is there a way to
> dry the rod out and use it, or should I scrap it. Would it be good for
> practicing (I'm a rookie weldor)?
> Thanks
> Mike M.

Bend a few rods from each box into a U.
If the exposed wire is not rusty, then they are usually OK.

Any 7018 rods will have to be baked at around 300 degF for a few hours
before using.

Posted by Martin H. Eastburn on June 20, 2007, 10:44 pm
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Just got a hold of a nice stick heater.
It was a discarded (dirty :-) ) convection oven - table top model.

It has a timer.
It has a temp setting.
It has 2 layers of heaters and racks with trays for rods.

And it is in the shop and all mine !

Martin

Martin H. Eastburn
@ home at Lions' Lair with our computer lionslair at consolidated dot net
TSRA, Life; NRA LOH & Endowment Member, Golden Eagle, Patriot"s Medal.
NRA Second Amendment Task Force Charter Founder
IHMSA and NRA Metallic Silhouette maker & member.
http://lufkinced.com/


Ernie Leimkuhler wrote:
>
>> A friend of mine is giving me a Lincoln "tombstone" arc welder that
>> has been sitting in his garage for 15+ years (it needs the fan
>> repaired). He also gave me several boxes of welding rod of the same
>> vintage. I know the rod is sensitive to moisture. Is there a way to
>> dry the rod out and use it, or should I scrap it. Would it be good for
>> practicing (I'm a rookie weldor)?
>> Thanks
>> Mike M.
>
> Bend a few rods from each box into a U.
> If the exposed wire is not rusty, then they are usually OK.
>
> Any 7018 rods will have to be baked at around 300 degF for a few hours
> before using.

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