WPS requirements according to PQR

[Himanshu Panchal]

Dear All,

I want to prepare a WPS for SECVIII Div-1,Material-SA333, MDMT: -46C,Thickness 24 mm.

As per vessel drawing there is no impact test and PWHT requirement.

I have one PQR without impact test.

Can i prepare the WPS based on that PQR who is with out impact test?

MDMT of vessel is -46C.

Thanks & Regards,

Himanshu panchal

[Chandrakant Yadav]

Mr Himanshu
Please check the UG 20 for the exception of impact testing. As per your requirement it is must as the mdmt is below -26 deg C

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[anand gupta]

Please check again your drawing and project requirements. 

Material Sa333 for low temp. And required impact.

your vessel no need impct then you can prepare your wps on bassis on pqr.

Regards

a p gupta

Sent from Yahoo Mail on Android

On Sat, 10 Sep, 2016 at 19:04, Himanshu Panchal

<mec...@gmail.com> wrote:

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[Vivek Pandey]

No, pqr should be qualified on same  MDMT temp as mentioned in drg.

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[Himanshu Panchal]

Thanks.

I also took the reference of UG-20 but to ensure that more i asked.

Thanks a lot.

Thanks & Regards,

Himanshu panchal

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[George Dilintas]

I wonder that Impact test is not required, unless the thickness is lower that 13 mm. SA-333 belongs to the curve A of UCS-66M.
if impact test is not required, then you can use the available PQR provided that all other essential variables are within range

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Dr. Georgios Dilintas,

Dipl. Ing. In Aeronautic and Space Engineering

Ph.D in Mechanics of Solids - Computational Mechanics

A.I.S, A.N.I, IRCA Lead Auditor

Welding, Stress Analysis, Corrosion, QA/QC, Failure Analysis, Risk Analysis