Hi
As the nominal thickness exceeds 38mm then in my opinion you have to carry out PWHT in-order to relieve the residual stresses, else take the risk of catastrophic failures in service..
Regards
Prem Nautiyal
cell: 9769316004
--------------------------------------------
On Fri, 9/4/15, Prasad Ghanekar <prsgne@gmail.com> wrote:
Subject: Re: [MW:23391] PWHT requirement for vessel
To: materials-welding@googlegroups.com
Date: Friday, September 4, 2015, 12:22 PM
40 mm butt
welds
On 4 Sep 2015 10:19,
"'prem nautiyal' via Materials &
Welding" <materials-welding@googlegroups.com>
wrote:
What is
the max. nominal thickness of weld involved in skirt support
?
Regards
Prem Nautiyal
9769316004
--------------------------------------------
On Mon, 8/31/15, Shadab Ansari <shadabansarialam@gmail.com>
wrote:
Subject: Re: [MW:23374] PWHT requirement for vessel
To: materials-welding@googlegroups.com
Date: Monday, August 31, 2015, 9:36 PM
No. Since its a
non-pressure part.
On Aug 29, 2015 5:04 PM,
"Prasad" <prsgne@gmail.com>
wrote:
Construction Code ASME Sec. VIII
Div. 1 Edn. 2013
Non pressure Part skirt support
of vertical vessel not welded directly to vessel.
MOC IS 2062 P no.1 Group 1
Thk. 40 mm
No special service requirement.
For this case whether PWHT is mandatory?
Regards,
Prasad G.
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