Hi folks,
I have a 72"OD x 15's/s @ 125psig horiz. vessel that has internal corrosion at the bottom of the vessel which operates at about 50psig. No vacuum. The bottom 1/3 has the internal corrosion. The corrosion is severe enough to cause leaking. The corrosion type is pitting with pin...
Hi, I have searched Eng-tips for sample blowcase sizing information. I located the following: thread469-52806. I am familiar with blowcases however I can't seem to find some sample sizing calculations. Does anyone out there have samples that they can share with me? I'm sure I can develop...
Hey folks, need your opinion again. Part of my 1950 vessel has a 750oF design temp. I am installing SA516-70 & SA105 mat'l in this section. The 1950 ASME Code doesn't req. impact test or hardness limits. The 2004 Code, under UG-20(f) does. I believe it's due to the "creep-rupture range of...
How do you folks define "required minimum thickness of 3/8" or less" for 3-1/2" or less finished openings? Does this mean the "nominal" or "computed" thickness of the shell? I believe it means the computed thickness. (Example: If the shell nominal thickness is 1/2" plate and the computed is...
We have a 1951/52 vessel "alteration" to do and the shell material along with some very large nozzles and all reinforcement pads utilize SA 285-C FBQ material. I know that FBQ means Fire Box Quality and I have seen it used with other materials also. Does anyone out there know if all SA 285-C...
