For overlay my suggestion would be to use IN 625 (ER Ni Cr Mo- 3) instead of 825 wire. Pwht of CS. Vanchi
On 7 Mar 2016 12:39 p.m., "Brajendra Singh" <brajendra1020@gmail.com> wrote:
-- Dear Experts,--
We are going to qualify an weld overlay procedure with Inconel-825 (ERNiFeCr-1) on SA352 Gr LCC with following variables.
1.Base Metal Thickness- 40 mm
2.Qualification Std- ASME Sec IX
3.our actual job thickness ranging from 50 to 100 mm.
4. Deposit overlay thickness is 5 mm.
5. Welding Process-Manual GTAW
Kindly advice for following queries.
1. PWHT required or not- please suggest with code reference & what will be the effect if PWHT not been done.
2. PWHT Temperature & time requirement.
Regards,
Brajendra S Patel
MOB: +91 7057406907
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