Hello
I have a vessel to be designed for a external design temperature of 485 deg C( for some extreme case) I had chosen P11 as my Material of construction. For CS-2 chart the maximum allowed is 480 deg C. PV Elite shows the warning for the same. Please advise how to proceed for External...
My Licensor had specified killed carbon steel for a column for design temperature of 485 deg C. Since SA516GR70 falls under creep for this temperature, can I ask Licensor to propose P11 or P12 for this case. Is it advisable to use SA516GR70 for this design temperature.
I have a column to be designed with spot radiography requirements. My vendor has considered joint efficiency as 0.85 for both shell and head in calculation. The head is seamless. My client is asking J.E=1 for head but my vendor claims that for spot radiography vessels JE to be considered as 0.85...
I have a horizontal vessel and on which a tower is mounted. The tower mounting flange is a male female type app-2 designed flange. The flange on the horizontal vessel is female type with groove depth of 5 mm. The raised face in male type flange is 5mm. We have used 4.5mm thick spiral wound...
When the vessel is horizontal condition there is failure in WRC at pad edge and trunnion to pad junction. When the vessel is in inclined position the failure is only at the pad edge and whn the vessel is in vertical position there is failure in WRC at pad edge and trunnion to pad junction...
I have an issue with respect to lifting trunnion design in one of my column. This is SS304L column of 2.3 m dia and 30 mts length. My top shell course thickness is 10mm for 8m length. Our client spec calls for design of lifting trunnion design with dressed condition and impact factor of 2. My...
