As per B31.8/ B 31.4, the maximum wall thickness can be welded with out PWHT
is 1.25" (with a qualified Procedure).
Regards,,
sanjeevan GPS
----- Original Message -----
From: "Paul" <paulrapidheat@hotmail.co.uk>
To: "Materials & Welding" <materials-welding@googlegroups.com>
Sent: Monday, June 07, 2010 11:58 AM
Subject: [MW:5424] PWHT Procedure
> Dear all
> I have been asked to provide a procedure for heat treatment for
> following material by client can anyone help and please as i do not
> have a copy of the standard.
>
>
> PWHT required for Well Head Fecilities contract.
>
> The contract Code is ANSI B 31.8 Class 2Material ALI 5L Gr X52 SCH XXS
> Diamter 8 Inch and 6 Inch
>
> Looking forward for your feedback in this regard
>
> Paul Graham
>
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The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.
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