Hi, please find the attached interpretation for avoiding 2nd pqr.
--On Mon, Mar 12, 2018 at 5:23 PM, Ramesh<rameshkannandevaraj@gmail.com> wrote:--HiSince You mentioned with impact test, i have suggested 3 PQR thickness.if PQR (2) absent, then there is thickness gap between 12 to 16 mm..Mr. Prashant Panchal or any experts shall provide code case and explanation how / why PQR (2) is not required when impact test calls far for our understanding pl.If impact not required u can use that PQR (3) 25mm thk , which qualifies 5 to 50 mm ( with out PWHT)
On Mon, Mar 12, 2018 at 2:33 PM, Jibin Philip <jibinphilip123@gmail.com> wrote:Thank you all for your valuable informations ,Dear Ramesh ji ,Can u elaborate more for the below comments ,Qualify other PQR (2) with 12 mm thick , this will qualify 12 to 24 mm thk -this pqr can be avoided by using asme interpretationsRegards ,jibin
On Sunday, 11 March 2018 12:46:38 UTC+3, Jibin Philip wrote:Dear All ,Spec - ASME B31.3 (Ed : 2016) & Sec IX (Ed : 2017) ,For PQR-A106 GR B - i have taken 6" pipe Thk - 10.97mm - with impact testQ1) What will be the thickness range qualified is it 10.97 to 16.97 or 5 mm to 16.97 or 5 mm to 21.94.Q2) If i need to qualify a WPS with Thk ranges 5 mm to 25mm which thickness need to be selected .Regards ,Jibin--
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