Dean,
I would not braze;
its twice the work and heat input.
A good mig weld is
not porous. A lot of welding mishap occurs due
to:
--corrosion or scale
on material or wire
- Water and/or grease
on material or wire
-dirty or leaking
pistol/hose
-wrong gas (should be
CO2 with 20% Agon 8 litres/minute)
I experienced with
welding the KSS that the half finished hull acts like a funnel. The created
airstream blows the gas away!.
Good luck,
Emile
Van:
owner-personal_submersibles@psubs.org
[mailto:owner-personal_submersibles@psubs.org] Namens Recon1st@aol.com
Verzonden: donderdag 26 februari 2009
14:00
Aan: personal_submersibles@psubs.org
Onderwerp: [PSUBS-MAILIST] welding sheet
metal
Frank and or all you
welding guru's
Any tips on welding
sheet metal. I have my saddle tanks formed and I
am
going to weld two
pieces together.
In my past
experience I have found it difficult. Pourous welds
etc.
One thought I had
was to weld em for strength and then Braze over
the
I will be
welding 18 gauge cold rolled with a MIG
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