Please note that
All the PQRs were given Stress relieving PWHT @ 690 C for 26 Hours
Operating Pressure(g): 105 bar and Temp: 415 C.
Also, One PQR has passed the test, the other 6 failed.
Why the test specimens broken in two pieces????
On Oct 8, 1:08 pm, jignesh.r...@Linde-LE.com wrote:
> Dear Jignesh,
>
> It is understood that SA 387 Grade 22 class 2(ferritic) welded with
> Austenitic consumables. Request to share the location of test coupons and
> the test results.
>
> As informed, practice E carried out, were cracks observed on bent
> specimen? Was micorsturcture examination carried out ?
>
> Since, the weld joint would be diluted with parent metal ( in this case
> P22 ) , is IGC testing really required ? What is going to be proved if
> IGC passes or in other case fails ?
>
> In extreme conditions, IGC testing is required, establish undiluted
> thickness first, take IGC samples from undiluted weld joint, do the
> testing.
>
> With Best Regards,
>
> Jignesh R Rana
> Manager - QA & QC
>
> Linde Engineering India Pvt. Ltd.
> 38, Nutan Bharat Society, Alkapuri, Vadodara 390007, India
> Tel.: +91 265 3056789, Fax: +91 265 2335213 , Mobil: +91 90999 86019
> jignesh.r...@linde-le.com,www.linde-india.com
>
> This e-mail is confidential. If you are not the intended recipient, please
> notify us immediately. You should not disclose its contents to any other
> person nor use it for any purposes.
>
> jignesh makwana <jkmakwa...@gmail.com>
> Sent by: materials-welding@googlegroups.com
> 07/10/10 17:29
> Please respond to
> materials-welding@googlegroups.com
>
> To
> materials-welding@googlegroups.com
> cc
>
> Subject
> [MW:7437] Why IGC Samples of PQRs fail?
>
> Dear All, Dear Jeff, Please look into.
> Please find the attachment
> All the PQRs have been failed except one sr. no. 4 in IGC testing as ASTM
> A 262 Practice E.
> Can anybody suggest me any solution or any reason??
> Preheating @ 100 C
> Interpass @ 150 C
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>
> Details of PQRs.xlsx
> 14KViewDownload
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The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.
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