First of all check the scope of ASME Sec VIII div.1, is the pressure greater than 15 psig and etc. only than u can use UCS-66, personaly i believe it is not in ASME Sec VIII, Div. 1 scope.
and yeah incase of insulated vessel the MDMT is not determined by ambient conditions.
THanks
First of all check the scope of ASME Sec VIII div.1, is the pressure greater than 15 psig and etc. only than u can use UCS-66, personaly i believe it is not in ASME Sec VIII, Div. 1 scope.
THanks