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.rana@linde-le.com, www.linde-india.com
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| jignesh makwana <jkmakwana5@gmail.com> Sent by: materials-welding@googlegroups.com 07/10/10 17:29
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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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