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Posted by SteveB on April 12, 2008, 3:48 am
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What would be the best metal for support and 24/7 water exposure in a water
feature? Stainless rod? Brass? Bronze if it's made and available.
It's going to be used to support slabs of granite, none more than five
square feet by 3/4" thick, but the vast majority being one to two square
feet in area.
What would be the best welding process for each to get a lasting weld under
those conditions. There will be no galvanic flow of current, save any that
may be created by minerals and the reaction of the various metals.
I may be able to get some copper rods from an electrician friend. How do
you think they would age?
The entire structure would be heavy, and structures would use from six to
thirty square feet of granite 3/4" thick, plus the weight of the rods, plus
the weight of the water on top of the horizontal elements. The design,
configuration, cross bracing and triangulation of stress points would be
critical.
Steve
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Posted by Karl Townsend on April 12, 2008, 6:20 am
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> What would be the best metal for support and 24/7 water exposure in a
> water
> feature? Stainless rod? Brass? Bronze if it's made and available.
A real good choice would be 304 stainless. This sounds decorative. TIG
welding this would provide the nicest result.
Karl
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Posted by Steve Lusardi on April 12, 2008, 9:28 am
Please log in for more thread options Steve,
Stainless will be the most popular suggestion, but there are more materials
that would also work very well and deliver a multitude of differences in
appearences. Some would be more difficult to weld, but welding is not always
the best fabrication method. Remember weldments in stainless require
passivation prior to exposure and the water MUST be free flowing and oxygen
rich.. Even cast iron can be beautiful, hot dipped in zinc or bare.
Steve
> What would be the best metal for support and 24/7 water exposure in a
> water feature? Stainless rod? Brass? Bronze if it's made and available.
>
> It's going to be used to support slabs of granite, none more than five
> square feet by 3/4" thick, but the vast majority being one to two square
> feet in area.
>
> What would be the best welding process for each to get a lasting weld
> under those conditions. There will be no galvanic flow of current, save
> any that may be created by minerals and the reaction of the various
> metals.
>
> I may be able to get some copper rods from an electrician friend. How do
> you think they would age?
>
> The entire structure would be heavy, and structures would use from six to
> thirty square feet of granite 3/4" thick, plus the weight of the rods,
> plus the weight of the water on top of the horizontal elements. The
> design, configuration, cross bracing and triangulation of stress points
> would be critical.
>
> Steve
>
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Posted by Karl Townsend on April 12, 2008, 10:32 am
Please log in for more thread options > the best fabrication method. Remember weldments in stainless require
> passivation prior to exposure and the water MUST be free flowing and
> oxygen
Oh shoot! I just made a stainless steel chum ladle for my favorite charter
boat captain. I didn't know about this. How is it done? I spent a bunch of
time grinding and polishing so it would be beautiful.
Karl
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Posted by Ed Huntress on April 12, 2008, 10:45 am
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>> the best fabrication method. Remember weldments in stainless require
>> passivation prior to exposure and the water MUST be free flowing and
>> oxygen
> Oh shoot! I just made a stainless steel chum ladle for my favorite
> charter boat captain. I didn't know about this. How is it done? I spent a
> bunch of time grinding and polishing so it would be beautiful.
>
> Karl
Nothing will passivate against bunker guts. The ladle is doomed.
But why would anyone want a beautiful ladle for slinging fish guts?
BTW, I have two pieces of heavy canvas we used to use as covers for the
gunwales on my uncle's boat, when we were ladling chum. They're now my
outdoors painting dropcloths, but I'm thinking of framing them and taking
them to a NYC art gallery, where I probably could get $1,000/each for them.
d8-)
--
Ed Huntress
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> water
> feature? Stainless rod? Brass? Bronze if it's made and available.