Re: [MW:20617] WPS as per API 650

Dear Marat,
If your job not required any PWHT then you no need to qualify your wps
with PWHT.As i worked with API 650 Iam very much confident about it.
And API 650 deals only with carbon plated oil tanks not plastics.

Thanks,
BALAMURUGAN M,
L&T,
INDIA,
PH +91 8763569606

On 4/17/14, george.dilintas@gr.bureauveritas.com
<george.dilintas@gr.bureauveritas.com> wrote:
>
> If Thermal Stress Relief (PWHT) is not required by API 650, then you have
> not to perform a PWHT on your PQR specimen
>
> best regards
>
> Dr. Georgios Dilintas
>
> Authorized Nuclear Inspector
> Authorized Inspector Supervisor
> API 510 Inspector
>
> I&F REGIONAL TECHNICAL MANAGER
> BUREAU VERITAS HELLAS
>
> Tel: +30 210 40 63 113/4
> Fax: +30 210 40 63 118
> Cell: +30 69 44 64 62 04
> (See attached file: Dilintas_George.vcf)
>
>
>
> From: Marat Nurbekov <marat.nurbekov@gmail.com>
> To: materials-welding@googlegroups.com
> Date: 16/04/2014 15:56
> Subject: [MW:20597] WPS as per API 650
> Sent by: materials-welding@googlegroups.com
>
>
>
> HI Dear Members,
> Could you help me? I work in project for Crude Oil Tank. The tank shall be
> constructed as per API650 and now I have some following doubts:
> 1) As you know WPS for API 650 has to be qualified as per ASME IX CODE and
> as per this code PWHT is essential variable but what about Thermal Stress
> Relief which is required as per API 650?
> Shall I qualify WPS with Thermal Stress Relief or Thermal Stress Relief
> shall be performed when it is required as per API 650
> 2) For Crude Oil Tank shall be constructed Fire water pipe system and
> Drainage system. Company is going to use a plastic pipe material but there
> are not any notes regarding plastic materials in ASME IX and API 650.
>
>
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