Re: [MW:15771] Requirement of PWHT in categorie D

Dear Venkat,

Code doesn't say that this type of joint needs to be heat treated.

Sent from my iPhone

On Oct 26, 2012, at 8:54, "g.venkatesan06@gmail.com" <g.venkatesan06@gmail.com> wrote:

> Dear sir.
> Kindly replay the below mail
> regards
> venkat
>
> ----------
> Sent from my Nokia phone
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> ------Original message------
> From: g.venkatesan06@gmail.com <g.venkatesan06@gmail.com>
> To: "materials-welding@googlegroups.com" <materials-welding@googlegroups.com>
> Date: Thursday, October 25, 2012 2:56:08 PM GMT+0000
> Subject: Requirement of PWHT in categorie D
>
> 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.
>
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> Sent from my Nokia phone
>
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