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>
Sender: materials-welding@googlegroups.com
Date: Mon, 19 Sep 2011 23:29:47 +0400
To: <materials-welding@googlegroups.com>
ReplyTo: materials-welding@googlegroups.com
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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