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Posted by Ernie Leimkuhler on July 30, 2007, 9:45 pm
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> Ernie Leimkuhler wrote:
> > wrote:
> >
> >
> >>Next week I will be welding 304 stainless steel exhaust pipe together. I
> >>found that the most important thing in doing this was good fit and tight
> >>joints.
> >>
> >>So far everytime I have tried this in the past I tack one side and the
> >>other side opens, expanding the gap.
> >>
> >
> >
> > At last count I have made over 30 different tube welding clamps.
> > Most are based on Visegrip C-clamps, but some use simpler clamp screws.
> >
> >
> > One solution is to make a pair of clapms that just grab the tube.
> > You place one on each side of the joint and then draw them together
> > using either screws or twisted bailing wire.
> >
> >
> >>Does anyone have any good tricks of the trade here. Is there any type of
> >>good clamp to keep the tubes together while tacking.
> >>
> >>Also does anyone have any opinions on Solarflux "B"
> >>
> >
> >
> > Works OK, as long as you never have to remove it.
> > Should work fine for an exhaust system.
> > I do hope the tube you are using is 304L, not just 304.
> >
> >
> >
> >>Thank You
> >>John Roncallo
>
> Thank You
>
> I will purchase a set of muffler clamps and weld 2 washers to each side
> of them and use nuts and bolts to draw them together.
>
>
> How can you tell the difference between 304 and 304L. The place where I
> got it from says its T304/304L ???
>
> John Roncallo
Most 304 is 304L nowadays so it should be fine.
The "L" just means low carbon, so it is less likely to develop chromium
carbides during the welding process.
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> found that the most important thing in doing this was good fit and tight
> joints.
>
> So far everytime I have tried this in the past I tack one side and the
> other side opens, expanding the gap.
>