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Re: [PSUBS-MAILIST] welding sheet metal



Hi Dean,
 
I'm not sure what wire you are using, but you will have much better results with wire much smaller than >045 or .035.
 
Good Luck!
 
Jim K
----- Original Message -----
Sent: Thursday, February 26, 2009 12:16 PM
Subject: RE: [PSUBS-MAILIST] welding sheet metal

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

top.

 

I will be welding 18 gauge cold rolled with a MIG

 

Dean

 


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