It is a cross violation ( ASME Sec 2 Part C , SFA 5.1, Usability of Electrodes- Type of Current & Polarity)
Even though it is not essential variables as per AWS D1.1, it is not good engineering Practice. u can revise the WPS
Pandithan
Welding Consultant
.
On Sat, May 25, 2013 at 4:45 PM, Malusare Vijay <vijaymalusare07@gmail.com> wrote:
Yes You Can Revised without re -qualification.Regards,Vijay Malusare--On Sat, May 25, 2013 at 4:31 PM, Lalu r p <lalucpt@gmail.com> wrote:
Dear Experts--In my company we have a wps qualified in last year with AWS D1.1 for structural steel welds.But now the client has raised a problem that in that wps the polarity of the electrodes which is used for the root run is wrong.The electrode used was E-7016-1 and as per standard the polarity should be +ve. But in place of that we used -ve polarity and the PQR is qualified with that.Since I am new to this company I have to solve the issue for submitting the final dossier.So my question is that whether this WPS can be revised without re-qualification.Thanks & RegardsLALU R.PQA/QC ENGINEER
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