Re: [MW:22973] PQR without impact test

Dear All,

For impact test you need to consider all the supplementary essential variables. So if you want use the available PQR with additional impact testing using supplementary test coupon then you have to use ER 70 S - 3 (which was used in the original qualification ) . Refer QW 404.12 Section 1X.

Regards,

Anup

On 16 Mar 2015 09:53, "Don Under Survilliance" <donsaab3@gmail.com> wrote:

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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