Fwd: [MW:21251] Post weld heat treatment for blind flange of manhole when lethal service.

Dear

 

Referance to below mail please refer  UCS-56 ( Refer Given Note No : 2 (c ) 3

Vijay Malusare

---------- Forwarded message ----------
From: Malusare Vijay <vijaymalusare07@gmail.com>
Date: Wed, Jun 25, 2014 at 8:57 AM
Subject: Re: [MW:21249] Post weld heat treatment for blind flange of manhole when lethal service.
To: materials-welding@googlegroups.com

Dear

 

As per my knowledge  it is required .  i come back with proper code referance.

 

vijay Malusare

On Tue, Jun 24, 2014 at 5:05 PM, ji Ch <jinsuok21@gmail.com> wrote:

Sir.

I've question for this subject.

In the ASME Sec.VIII Div.1, 

The vessel fabricated by carbons steel, and it applied lethal service, so it need post weld heat treatment refer to UW-2 (a) 

In this case, for blind flange of manhole, davit hinge welded to side portion of blind flange with over 16mm weld thickness of fillet weld.

is this blind flange also required post weld heat treatment ? or not ?

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