Galvanized metal welding

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Galvanized metal welding Ted 05-28-2006
Posted by Ted on May 28, 2006, 11:36 am
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 Anyone know of a way to make the welds in galvanized fence tubing rustproof?
I would think the zinc in the tubing would transfer to the welded joint. Any
thoughts appreciated. TIA Ted



Posted by Leo Lichtman on May 28, 2006, 11:41 am
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"Ted" wrote: (clip) I would think the zinc in the tubing would transfer to
the welded joint. (clip)
^^^^^^^^^^^^^^
No, it burns off and gives you heartburn. Treat the weld area like bare
steel--prime and paint.



Posted by James Walsh Jr. on May 28, 2006, 11:43 am
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There is a spray on cold galv that you can pick up at almost any welding
supply store, both shiny and dull finish. It's about $2 & something per can.
Just wire brush your welds clean, and spray on the cold galv. It works fine.

Thanks,
Jim
Jigsaw Custom Fab
http://www.jigsawcustoms.com



> Anyone know of a way to make the welds in galvanized fence tubing
> rustproof? I would think the zinc in the tubing would transfer to the
> welded joint. Any thoughts appreciated. TIA Ted
>



Posted by R. Zimmerman on May 28, 2006, 11:59 am
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You can buy the spray cold galvanising or it comes in brush on paint form.
Galvacon and Zinga are some other trade names. I have seen it protecting
weld areas for ten years without any corrosion.
Regular paint does not stick to galvanising unless you do special
preparation in the form of etchants.
Randy

There is a spray on cold galv that you can pick up at almost any welding
supply store, both shiny and dull finish. It's about $2 & something per can.
Just wire brush your welds clean, and spray on the cold galv. It works fine.

Thanks,
Jim
Jigsaw Custom Fab
http://www.jigsawcustoms.com






Posted by on May 28, 2006, 12:52 pm
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Ted wrote:
> Anyone know of a way to make the welds in galvanized fence tubing rustproof?
> I would think the zinc in the tubing would transfer to the welded joint. Any
> thoughts appreciated. TIA Ted

Using silicon bronze to braze galvanized will result in much less
galvanizing being burnt off.
And the bronze won't rust.

Dan


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