We are fabricating a pressure vessel to Section VIII Div 1 which will have a dimple jacket. We plan to proof test per UG-101(m). It will be an embossed plate, plug welded to a plain plate. Welds are being looked at per UW-19(c)and the plain plate as a stayed surface per UG-47. We will calculate...
The dimple jacket is existing. It's shot so we are removing it and replacing it with a conventional wall jacket. The vessel is code stamped and the new jacket needs to comply with Sect. VIII and will be considered an alteration and will be "R" stamped.
Our client has an existing pressure vessel with a 90 deg included angle conical bottom head. It currently has a dimple jacket. They want to remove the dimple jacket and install a convention jacket on the bottom cone. There will be a closure ring at the top and bottom of the jacket cone. Does the...
I've got the subject scenario to do. I need to qualify a weld procedure. Planning on 400°F preheat and 1350°F or so PWHT. Having some difficulty picking the best filler metal. Line will be in high temperature steam service. I was thinking either going matching the lower alloy and using ER80S-B8...
