[MW:33859] Re: PQR Qualification

A single WPS will suffice this requirement , Mr.Williamns  your undestanding was correct ,

 ensure  consuambels are using  while production welding are meeting the requirment of Gr.70 plate weding in WPS as a note.

if you want to support this PQR for pressure vessels  u need  SA 516 Grade 70  65  60 MTLTV to SA 516 Grade 70  65  60 MTLTV (mostly prefered combination )- it can support for all the combinations 

in other case you can have one side it is SA 516 Grade 70  65  60 MTLTV and other side  SA 516 Grade 65 plate for plate  to pipe /flange /fitting scope (better avode this ) - some clients wants this combination also.. u can concence them with code.

Regards,

Srinivas Rao
welding Engineer 

On Thursday, December 22, 2022 at 7:23:32 AM UTC+4 Zacharias Rohith Joseph wrote:

All these are P1 materials then they should be qualified by default. 

On Monday, 28 November 2022 at 16:27:00 UTC+13 williamswilsonp wrote:

Dear Experts,

I have a doubt noted below for your advice.

If I used the Steel Designation SA 516 Grade 70  65  60 MTLTV for procedure qualification. I will be qualified for P1 G 1 / 2   To   P1 G 1 / 2
Single PQR / WPS satisfy my below welding requirements. 

(Toughness & PWHT considered)
1) SA 516 Gr.70 to SA 516 Gr.70
2) SA 106 Gr. B to SA 105
3) SA 106 Gr. B to SA 106 Gr. B

Thank You & Regards

Williams P Wilson

+968-94600828

QA/QC Engineer

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