Re: [MW:8919] Problem of PWHT

The impulse line is of P11 material and it has to be post heated...i
want to knw d problems dat may occur to the 0.75 joint between cs and
as

On 12/23/10, Bathula Raghuram (Mumbai - PIPING) <R.Bathula@ticb.com> wrote:
> Generally Impulse lines are outside scope of ASME B31.3 and don't require
> PWHT. Even if it is designed by B31.3 it doesn't require PWHT as thicknesses
> low, , unless it is a contractual requirement
>
> -----Original Message-----
> From: materials-welding@googlegroups.com
> [mailto:materials-welding@googlegroups.com] On Behalf Of vivek m
> Sent: Thursday, December 23, 2010 9:34 PM
> To: materials-welding@googlegroups.com
> Subject: [MW:8914] Problem of PWHT
>
> Dear all,
> one of my P11 impulse pipe (0.75") is connected to a CS 0.75" valve
> which comes with big bore CS line (all as per drawing)......now shall
> i do pwht to that joint ? If done will there be any problem to that
> joint ...please give me a detailed answer.
>
>
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