Dear Ronak :
Austenitic steels ( non L grade) are typically prone to sensitisation when subjected to temperature range of say 400 to 800 mdeg C and remained for a sufficient time at this temperature . Chrome and carbon present in IGSCC plays a major role .
On Tue, 20 Jun 2023 at 08:47, Ronak Patel <patelronak447@gmail.com> wrote:
Dear Experts ,We are using SS410S CLAD in Coke Drum at 450 degree temp.
Is IGC test required for SS410S material ? at present there is no requirement of IGC testing for SS410S in coke drum cladding in industry .As per my understanding, IGC happens in ferritic SS as well if they are exposed to high temp(450 in my case) in operation , welding or PWHT. So why SS410S is not tested for IGC as per A763 ?
How IGC is different in ferritic SS than in Austenitic SS ?Thanks and Regards,Ronak Patel.--
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