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Weld test tomorrow need some help
Posted: Mon Apr 20, 2015 3:45 pm
by StephenPerkins
I have a weld test tomorrow 4 inch pipe 6g. I'm not sure what thickness but it has to be 100% X-ray tig all the way out can you give me some parameters to go off of I am up at school practicing and I really need to get this job. Thank you
-Stephen
Re: Weld test tomorrow need some help
Posted: Mon Apr 20, 2015 4:33 pm
by Coldman
For 4" sched 40, my preferred method:
30 degree bevel, no land, 3/32" gap, 3/32", er70 wire, 3/32" electrode.
Root pass: 105amps laywire
Second pass: 110amps (fill the joint)
Cap pass: 125amps (no stringers, single weave cap)
Good luck!
Re: Weld test tomorrow need some help
Posted: Mon Apr 20, 2015 4:59 pm
by StephenPerkins
Sweet thanks it's hand beveling and I haven't ever done that before
Re: Weld test tomorrow need some help
Posted: Mon Apr 20, 2015 8:15 pm
by Otto Nobedder
WOW!
An x-ray test on pipe, and you've never hand-beveled before?
And you don't know any of the parameters of the test?
I appreciate the chutzpah it takes to do this.
Please let us know how it goes!
Steve S
Re: Weld test tomorrow need some help
Posted: Mon Apr 20, 2015 9:32 pm
by StephenPerkins
Well I know the parameters I've just never welded 4" pipe before thought maybe it was different than 6"
Re: Weld test tomorrow need some help
Posted: Mon Apr 20, 2015 10:08 pm
by Otto Nobedder
You specifically asked, "Can you give me some parameters to go off of?"
That suggests you don't know the weld parameters.
If you have a WPS, post it up, so we have the same working range you're asking about.
Steve S