I understand that you are changing the welding consumables to obtain better toughness but want only to do the Charpy tests in the new WPQR. This has to be a waste of time and effort. Do a complete new welding procedure qualification, otherwise you will be arguing with your client for evermore.
From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Don Under Survilliance
Sent: 16 March 2015 06:51
To: materials-welding@googlegroups.com
Subject: Re: [MW:22972] PQR without impact test
yes u can use the same PQR.........while welding the monitor the parameters nd ensure it shud be with in the limits as mentioned in WPS. AND SENT FOR iMPACT TEST,..
asme sEC- IX also permit this.
If ur client dont agree for that , u can go for all the best , it will earn trust & confidence of your client..moreover tensile and bend tests are not costly.
For your information and persuation.
With best regards,
Ajay Kumar kadyan
+91-9967112024
On Thu, Mar 12, 2015 at 2:23 PM, 'raouf salhi' via Materials & Welding <materials-welding@googlegroups.com> wrote:
Dear expert ;
we have a WPS and PQR for A333 Gr 6 welded with ER 70S-3 and E7018 , the mechanical test in the PQR are only tensile test and bend test.
Our client didn't accept the PQR because is missing impact test and he ask to repeat all the PQR with all mechanical test ( with ER70 S-6 for better impact test result ).
it's possible to keep the PQR and to make only the impact test ( we can weld a 6" pipe according the WPS but with ER 70 S-6 and take specimens for impact test ). ????
Regards
SALHI Raouf
QA/QC Engineer
Tel: Morocco +212628979891
Tunisia +21621458258
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