For ASME Category D Fluid service, Under cut has two options, 1.5 mm and Tw/4 or 1 mm. What size of pipe would 1.5 mm apply to if Tw/4 or 1 mm is the lesser value? Any help on interpretation would be great.
Any help would be greatly appreciated! I am currently making a cheat sheet for ASME Category D Fluid service and my issue is Undercut. I've read Note 6 and it explains if an "and" is part of the information, It is the lesser value that shall be taken. My question is, why would they indicate 1.5...