Re: [MW:12491] ASME SEC IX Code Issue

On 9/16/10, george.dilintas@gr.bureauveritas.com
<george.dilintas@gr.bureauveritas.com> wrote:
> According to ASME IX, QW-406.3, when the Preheat is a supplementary
> essential variable, an increase of more than 55 degC in the max Interpass
> temperature requires requalification.
> I would suggest you read carefully QW 406.1 to 406.3
>
> Dr. G. Dilintas - Authorized Inspector Supervisor
> I&F Regional Technical Manager
> Bureau Veritas Piraeus - Greece
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>
> limesh M
> <limesh78@gmail.c
> om> To
> Sent by: materials-welding@googlegroups.com
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> [MW:6999] ASME SEC IX Code Issue
> 14/09/2010 15:43 Ref
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> Dear All,
> Design Code: ASME B31.3     Welding Code: ASME SEC IX
> I have a Low temperature carbon steel impact tested PQR with a PWHT range
> of 600⁰±10⁰C.Is this condition giving an exemption for me on QW406.3 to
> prepare a WPS with maximum interpass temperature of 200⁰C.
> Maximum interpass temperature observed during specimen welding: 140⁰C
>
> Regards,
>
> Limesh
>
>
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