may get :-
* grain growth which lead to low toughness
* brittle phases as Sigma or Chi which lead to loos of toughness or even cracking
Best Regards ,
ENG. Ahmed Osman
On Monday, January 25, 2021, 06:42:57 a.m. GMT+3, EmaD FaRaHanI <emad.farahani@gmail.com> wrote:
Dear all,
-- what will happen to the grains of a ferritic stainless-steel type AISI 405 used as an attachment of a hanger bar in a boiler, when it is exposed to flame temperatures of the boiler for 4 years of continuous operation? It is understood that the 405 steel will not oxidize in the high-temperature service environment.
Regards,
Emad
https://materials-welding.blogspot.com/
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