Tuesday, September 20, 2011

Re: [MW:12485] pickling and passivation for 316 L SS

Dear Sudhakar,
 
It is much depending on your project contract and your project quality requirement. you are a contractor. If this activity is not in your  project contract or your project quality requirement, you can claim about that and you will make money so much.
I hopethat you be sucsessfull.
 
warm regards
M.Masoumi

On Tue, Sep 20, 2011 at 7:26 AM, <mus.hawa@yahoo.com> wrote:
Sudhakar,

It's much depending on your project quality requirement. As for my experience, after welding there should be pickling and passivation. Of course you won't detect any contamination
In short term on the welded joint.

Rgds,
Mus

Sent by Maxis from my BlackBerry® smartphone


From: sudhakar kuppuswamy <mechsudhakar@gmail.com>
Date: Mon, 19 Sep 2011 23:29:47 +0400
Subject: [MW:12482] pickling and passivation for 316 L SS


Dear Experts,

                       It is mandatory to do pickling and passivation for 316 L SS piping systems, irrespective of services and thickness?  No PWHT is done on  that piping systems, and we have not found any Surface contaminations due to welding.


But our client is insisting us to do Pickling and passivation on welded joints. It is really required?


please share your views.

 

Regards

Sudhakar.k



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