Re: [MW:29028] How to qualify WPS ?

thanks for reply. if i directly prepare 6g pipe wps than it will work for wpa also because shell is consider pipe.actually i teach ond junior he is not getting my point i told if u do plate 3g wps u ur welder essential parameter diameter nd position not cover.

On Sat, 2 Feb 2019, 12:47 pm Ramin Kondori <raminkondori@gmail.com wrote:

It is better to prepare a but-weld test coupon.

Then weld it according to your WPS.

Remember to record all the parameters during welding.

Then send your coupon to lab and specify the standard and required tests (and conditions of tests like impact test temp).

Wait for the results.

When you receive the results if they are all accepted then fill out PQR form and receive all parties signatures as per your ITP.

If your tests have rejected sample, then you have to go for re-tests or prepare a new coupon with modified WPS and repeat all over again.

Good luck

Ramin  Kondori

Sr. QA/QC & Welding Engineer

-----------------------------------------------------------

PG-Dip. in Welding Engineering (IWE  AT  0070)

BSc. in Civil Engineering (IUT)

BGAS Painting Inspector

ASNT Level I&II

                        

On Thu, Jan 31, 2019 at 6:04 AM Souravbohray <ermechsouravbohray@gmail.com> wrote:

How to qualify WPS for long seam of shell?
How to qualify WPS for CIR seam of shell

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