I was looking at using a forging support that would fall under the jurisdiction of ASME III subsection NF. One of forging materials available was A-668 which is mentioned as an acceptable material for NF in code case N-71. When I was looking up the allowable temperature for this material, I...
I'll lay out the useful information as best I can. The code that must be followed for this is Sect III, Div. 1, Subsection ND (Class 3). This is for a single volute casing pump (similar in theory to Fig. ND-3423-1). Let me also start by saying the functionality of these pumps isn't really in...
I'm a little thrown by what I'm reading in Section III, Division 1, subsection NF for supports in regards to bolting stresses. I was originally under the impression that the limiting stress for all parts/bolts etc would come from Section II Part D Tables, but it seems like that may not be the...
I'm looking at an elliptical manway application in a pressurized tank, which is IAW Section VIII, Div. 1, and as part of the assembly there are bolts that are used to tighten the manway cover to the ring and seat it on the gasket. My question is whether the bolts, which are outside of the...
