Bolting material in service(e.g. sour, hydrogen..)
Bolting material in service(e.g. sour, hydrogen..)
(OP)
In selection of bolting material for heat exchanger in service environment. We generally use SA193-B7M&SA194-2HM instead of SA193-B7&SA194-2H.
I would like to know why SA193-B7M&SA194-2HM is preferred.
Thank you.





RE: Bolting material in service(e.g. sour, hydrogen..)