ASME Allowable Stress Values for Low Temperatures
ASME Allowable Stress Values for Low Temperatures
(OP)
Does anyone know how to determine allowable stress values for low temperatures. I need to know what ASME states for design temperature if I am designing a vessel for operation at -196°C. For example: I am using SA240 304. the allowable stress (ATM) = 206.9 MPa, Allowable stress (DT ((@-196°C)) = ???





RE: ASME Allowable Stress Values for Low Temperatures
RE: ASME Allowable Stress Values for Low Temperatures
At that temperature however, additional impact testing requirements will need to be addressed due to low temperature embrittlement.
Cheers,
RE: ASME Allowable Stress Values for Low Temperatures
RE: ASME Allowable Stress Values for Low Temperatures
Thanks for everyone's input on this!!
RE: ASME Allowable Stress Values for Low Temperatures
I believe your question is addressed in General Note (e) for table 1A in II-D.
"(e) Stress values for -20°F to 100°F are applicable for colder temperatures when the toughness requirements of Section III,VIII, or XII are met."