Can you weld austenitic and duplex stainless steel sheet up to 2mm with MIG?

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Can you weld austenitic and duplex stainless steel sheet up to 2mm with MIG? Roger Andersson 08-10-2007
Posted by Roger Andersson on August 10, 2007, 3:14 pm
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 : quoted-printable

Hello,

Is it possible weld austenitic and duplex stainless steel sheet up to =
2mm thickness with MIG?

What should you concern to create a proper weld?

//roger

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<P><FONT face=3DArial>Hello,</FONT></P>
<P><FONT face=3DArial>Is it possible&nbsp;weld austenitic and duplex =
stainless=20
steel sheet up to 2mm thickness&nbsp;with MIG?</FONT></P>
<P><FONT face=3DArial>What should you concern&nbsp;to create&nbsp;a =
proper=20
weld?</FONT></P>
<P><FONT face=3DArial>//roger</FONT></P></DIV></BODY></HTML>

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Posted by Grant Erwin on August 10, 2007, 3:27 pm
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 Roger Andersson wrote:

> Hello,
>
> Is it possible weld austenitic and duplex stainless steel sheet up to 2mm
thickness with MIG?
>
> What should you concern to create a proper weld?
>
> //roger
>

Stainless warps more than other steels, so you really have to think about
how you fit your piece together. Also, many jobs have to have shielding gas
flowed on both the front side (where you weld) and also the back side. This
can apply for tubing too. Some people call this "backpurging".

There's a whole lot of theory about welding stainless. That's all I'm going
to mention right now.

GWE

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