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alloy 20
Posted: Thu Oct 30, 2014 8:09 pm
by hardhatdiver
Tig welding alloy 20 pipe. Is the use of backing gas suggested? I will be using er320lr for filler.
Re: alloy 20
Posted: Fri Oct 31, 2014 2:54 pm
by taz
Use of backing gas is mandatory for this type of materials.
ER320lr is suitable but we have also welded alloy 20 successfully using ERNiFeCr-1.
Re: alloy 20
Posted: Fri Oct 31, 2014 9:30 pm
by hardhatdiver
I figured I need to. Thanks
Re: alloy 20
Posted: Mon Nov 10, 2014 9:20 pm
by hardhatdiver
Pics of how the welds came out.
Re: alloy 20
Posted: Tue Nov 11, 2014 8:41 pm
by Otto Nobedder
Very nice!
Steve S