Re: [MW:28975] SB-209 Grade 5183-PQR failure

RT done, some porosity observed, but in the acceptable critera per ASME IX. The sample totally broken, it does not seem that the failure occured due to weld defect. 

Regards,

Himan Nikdin

On Jan 25, 2019, at 08:44, Brijesh Maurya <brijeshmaurya492@gmail.com> wrote:

First you should do  the RT of sample to check if there is any defect in weld or not.

On Thu, Jan 24, 2019, 7:01 PM Himan Nikdin <himan.nikdin@outlook.com wrote:

Dear Experts

A PQR sample has been welded per below procedure;

SB-209 Grade 5183

THK; 40 mm

Process; GTAW

Filer metal; ER5183

Shielding gas; Argon

Preheat Temp; 70°C/Interpass Temp; 100°C

but all four bend samples rejected due to facture, meanwhile the tensile result is less than acceptable criteria.

would you please advise me in regards to the reason for this failure.

Thanks Indeed

Himan Nikdin

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