Re: [MW:32240] PWHT REQUIERMENT FOR PIPING AND PIPELINE

Tnx for tour reply son u mean for a333 gr6 we will apply only preheating 95 degres without applying pwht 

Le mer. 14 avr. 2021 à 05:45, 'james gerald' via Materials & Welding <materials-welding@googlegroups.com> a écrit :

For Pipeline construction please refer to Design Code either ASME B 31.4 or ASME B31.8 as Applicable.

A 333Gr.6 is exempted from PWHT as below.

Thanks & Regards

J.Gerald Jayakumar

On Wednesday, 14 April, 2021, 08:02:42 am IST, QA/QC <adnanziad49@gmail.com> wrote:

Dear masters 

we want to weld a pipeline api 5l x70 thhikness 28 mm so we want to know the requierement of PWHT CODE API 1104 

AND ALSO FOR A333 GR 6 THICKNESS 45 MM CODE B31.3  . PWHT REQUIERMENT 

CAN ANYONE CLARIFY IT FOR ME 

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