Welding Tips and Tricks

Hello to all, I have a job welding 1/2” stainless and was wondering if anyone could give me some advice on weld settings and tungsten and cup size? Will I need tungsten bigger than 3/32?
Thanks

Plate? Tubing? Pipe? Application? Position?

3/32 tungsten is fine.
#8 or larger cup (me, I'd use a ceramic #12 Fupa)
Purge line and tinfoil at the ready.
Can't know the amps without the other details.

It is plate, fillet welds flat on a table.

Is it beveled or just 2 plates flat togeather? Do you need full penetration? Can it be welded from both sides?

It is not beveled but it can be if I need to. Full penetration. Yes it will be welded on all sides.

Like pulling teeth...

Ever hear of pocket teeth?

cj737 wrote:Like pulling teeth...

LOL!

Thanks guys y’all have really helped clear the water.

In Australia we would never dream of welding stainless that thick with the tig. Mig all the way. Maybe even a dual shield flux core.

The do make 308L stick rods and MIG wire for $$$.

Amazing what you can get in exchange for legal tender.

Unless you have a free source of Stainless tig rod, I think the cost of filler will be similar across the three methods. Time required will be the big factor.

1/2 plate/bar is pretty doable with a good bevel/multipass weldment. So agreed, pretty much any process will do the job. Tig is what I would go for with stainless. Fit-up really tight.

Don't forget it's a fillet weld. I know it's a thing in the USA, but we hardly ever see structures welded with tig. Only pipes.

Norm in the UK for structural in 1/2" would be stick unless it's a high volume repetitive part - then Mig.