RE: [MW:16121] thinning of tubes

These according to TEMA standard after 10 % you must make retube for the Heat exchanger

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From: heshamseleem7@hotmail.com
To: materials-welding@googlegroups.com
Subject: RE: [MW:16117] thinning of tubes
Date: Tue, 4 Dec 2012 08:43:33 +0200

If The Parentage of Defect pipe Exceede 10 % of the total pipe you must make plugging

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Date: Sat, 1 Dec 2012 17:16:58 +0000
From: kishore103103@yahoo.com
Subject: [MW:16117] thinning of tubes
To: materials-welding@googlegroups.com

Dear all,

             How do we accept tubes thinning? We have tubes which is SA 179, 

19.05 mm and Dia, 2.11mm? and welded with tube sheets with exchangers?

            How do we accept or reject? How many tubes could be plugged if they are corroded externally? kindly give me your suggestions?

regards

kichu

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