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Thread: welding exhaust, stainless to mild steel?

  1. #1
    Senior Member
    Join Date
    Jun 2006
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    157

    welding exhaust, stainless to mild steel?

    Hi

    On my stainless exhaust, i have to weld to it some mild steel.

    Does anyone know what welding consumables i should use ?

    Ie stainless wire/gass or mild steel ?

    Thanks in advance

    Nick.

  2. #2

    Re: welding exhaust, stainless to mild steel?

    For stainless to mild steel, it usually needs to be TIG welded.

    I just had to add some o2 bungs to my exhaust on my wifes 3000GT and all I could find was mild steel for the o2 bungs. The custom downpipe is stainless. I took it to a friend since I only have an arc welder here and he did a great job.

    Hope that helps. (a little).
    Previous Builds: AF - 308 Replica w/ V8 & GM F-body Testarossa Replica
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  3. #3

    Re: welding exhaust, stainless to mild steel?

    I don't know the correct process, but I have joined stainless to mild steel using MIG with both stainless and mild steel wire, Argon/CO2 mix gas. Haven't had a problem using either type of wire.

  4. #4

    Re: welding exhaust, stainless to mild steel?

    Rockcrawl is right. MIG is fine using a mixed gas. The reason people say if won't work is the actual weld will rust because it is not a stainless weld. MIG is fine ...go for it.


  5. #5
    Senior Member
    Join Date
    Jun 2006
    Posts
    157

    Re: welding exhaust, stainless to mild steel?

    Thanks guys for replies that answers my question, mixed gas is it then.

    Cheers
    Nick.

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