Re: [MW:15936] Requirement of PWHT in categorie D

Yes require
Pandithan

On 11/15/12, Sanjay Yadav <ssy070707@gmail.com> wrote:
> PWHT is not required in your case as base metal thickness is only 20mm.
>
> On Sun, Oct 28, 2012 at 3:43 PM, Rems Okonkwo
> <rems.okonkwo@gmail.com>wrote:
>
>> Trichy,
>>
>> PWHT will not be required, the reference thickness consider during the
>> design calculation of the vessel is 20mm, the RF pad is only an
>> attachement.
>>
>> regards,
>>
>> Rems
>>
>> On Thu, Oct 25, 2012 at 3:56 PM, g.venkatesan06@gmail.com <
>> g.venkatesan06@gmail.com> wrote:
>>
>>> Dear experts,
>>> we are doing welding in a vessel of joint nozzle to dish with
>>> reinforcement pad(pipe thick 10mm(32inch), dish thik 20mm & RF pad 20mm)
>>> the weld detail in drawing shows bevel(55 degree) followed with
>>> fillet(10mm). All are P1 material.
>>> In my question : the total weld metal deposit is 50mm in a joint(40mm
>>> CJP
>>> & 10 Fillet)
>>> code says above 38mm groove weld for P1 material PWHT is mandatory and
>>> also says groove & fillet exceed 26mm in 2inch pipe PWHT is required.
>>> Now we will do PWHT or not in a particular joint. If not kindly tell the
>>> reason.
>>> Regards
>>> venkat
>>> welding engineer
>>> trichy.
>>>
>>> ----------
>>> Sent from my Nokia phone
>>>
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