Question-- can stainless steel be welded to a piece of galvanized pipe ?
Thanks !!
James
I did this last summer. Welded a guide on to my boat lift. The guide is
galvanized pipe and the mount is stainless. Used an Oxy-Acetylene torch with
brass rod. The weld wasn't super pretty but it held up through the summer
just fine.
JT
Bill
"James" <jnipp...@nospamfdn.com> wrote in message
news:D9CdnWRUwO2Rn-Da...@comcast.com...
>snip<
> Sure, you just prepare the pipe by removing the zinc and then you are
> just dealing with mild steel. Just remember you will need to coat the
> weld site with something to prevent rust.
Any zinc-rich paint will do a dandy job. Look for brands like Co-Galv,
etc. Popular with folks who do work on chain link fences, for example.
HTH
Joe
Galvanized pipe is just mild steel that has been galvanized, it can be
ground or wire-wheeled off, , be sure to get it back at least a fat inch
from anywhere a weld will be, , and be cautious, the fumes from burning
or grinding galvanization, which is zinc, isn't that good for you.
There are stainless steel welding rod/wire made for welding stainless to
mild steel, the number is 309. For a simple mount, you might be ableto
get away with 7018 (lo-hy) welding rod, , but it's not recommended,
especially for anything structural. .
I could be wrong though, I've been out of that field for a while now. . .
James
s
"James" <jnipp...@nospamfdn.com> wrote in message
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When this work first appeared and was so extraordinarily carried on
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74. A letter On the Foolishness of Human Knowledge and Phi
To weld stainless to galvanived pipe, first understand that you are
actually welding stainless to carbon after you totally remove the
galvanize from the weld zone.
Next you will need filler material or shielded rod (depending your
process) that is designed for just that job like eg: 316L SS
As far as galvanize being highly toxic, bunk you would have to
purposely suck up a lot of the smoke to get even sick temporarily.
Of course its best to breathe none.
Finally coat the welded area with a cold galvanizing spray you can get
just about anywhwre that sells paint.
On Thu, 3 Jan 2008 10:41:01 -0500, "James" <jnipp...@nospamfdn.com>
wrote:
Leslie Knight
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Now I don't know that he got sick from the galvanized smoke or something
else in the tank, but we 'sure' were careful to be 'up wind' when
cutting after that.
Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
'New' frame in the works for '08. Some Canadian Bush Trip and Build
Photos: http://mikeromainjeeptrips.shutterfly.com
Burning zinc doesn't make you sick that fast or like that usually. I've
gotten it from cutting galv pipe, and didn't know it until that evening.
It made everything taste sweet, ,even a cigarette. They say drinking
milk helps, not sure if that's true or not.
Yea, it's not very good for you, by at least one definition, it is a
heavy metal, albeit the second lightest, but it still can cause symptoms
of heavy metal poisoning.
Thanks !!
James