Bapi,
There are yes's and no's to your questions. Moreover some companies starting with a yes are now changing to a no. High level organizations are something that you do not copy and paste but define according to you company goals, policies and structure.
Nevertheless a can give you a hint on...
Guys, let me give you a different perspective from the oil&gas engineering industry. First no rules no generalization is a wise attitude when dealing with corrosion matters. Second you mix two different variables with different behaviours: microstructure and alloys.
The stress cracking is an...