How does ASME define "Room Temperature"?
How does ASME define "Room Temperature"?
I was able to find a singular reference in ASME Section VIII Div. 1, MANDATORY APPENDIX 40 THERMAL EXPANSION TEST METHOD FOR
GRAPHITE AND IMPREGNATED GRAPHITE
40-5: the initial temperature of the material, assumed
to be room temperature, 72 ± 4°F (22 ± 2°C)
Slightly different from ambient temperature (temperature of surroundings)ASME Section VIII, Div. 1, UHX 13.3 which lists ambient temperature as 70°F (20°C)
GRAPHITE AND IMPREGNATED GRAPHITE
40-5: the initial temperature of the material, assumed
to be room temperature, 72 ± 4°F (22 ± 2°C)
Slightly different from ambient temperature (temperature of surroundings)ASME Section VIII, Div. 1, UHX 13.3 which lists ambient temperature as 70°F (20°C)





RE: How does ASME define "Room Temperature"?
Nasir
Welding Engineer
DESCON ENGINEERING LIMITED
PAKISTAN
RE: How does ASME define "Room Temperature"?
In addition to my above reply, if we analyze first sentence of second paragraph of PG-99, Section I takes ambient temperature different from 20C. Section I understands that ambient temperature may become less than 20C that is why it reads out as " hydrostatic test shall be performed using water not less than ambient temperature but in no case less than 20C".
Nasir
Welding Engineer
DESCON ENGINEERING LIMITED
PAKISTAN
RE: How does ASME define "Room Temperature"?
else you have to preheat