hi normaly A335 Gr 9 we do purging with argon(100%), we will use ER 80S-B8, preheating requirement is 177 deg c, Pwht requirement is 704-746 deg c, soaking time is -2hrs minimum
From: khadar.M. Rahuman <kmr621212@gmail.com>
To: materials-welding@googlegroups.com
Sent: Wed, 23 June, 2010 1:26:10 AM
Subject: [MW:5723] A335 Gr9
Gents.
Kindly advice A335 gr 9 material we do PQR...Client advice to Burging ...
1. If Burging need where is it mentioned..need to proof evidance.
2. which electorde . what is the requirment Pre heat and PWHT requirment..
Regards.
Muzib
QAQC - Incharge .
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