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To comply the requirements for the inquiries, I submitted three inquires. The record numbers are 19-1804, 19-1805 and 19-1809.

Hi TGS4, Thanks very much for your response. Kind regards, Bill

Hi Guys, I am doing a fatigue analysis based on an elastic-plastic analysis to ASME VIII Div.2 2017 for a component made from Stainless Steel 430. 430 is ferritic stainless steel. 1. Table 5.13 Fatigue penalty factors for fatigue analysis does not list parameters for Ferritic Stainless Steel...

Hi TGS4, Thanks very much for your comprehensive response. Kind Regards, Bill

Hello Guys, I am designing a replacement unit for a heat exchanger. The previous unit has failed at the tube to tubesheet joints due to low cycle fatigue. The new design reduced the tubesheet thickness to reduce the stress at the tube to tubesheet joint. The design of the components without...

I am analysing a manifold/header which is connected to 74 tubes (in two rows) using linear static FEA. The ends of tubes are welded to a rectangular tubesheet. One end of the header is connected to piping. Due to moments from piping, the first joint of tube to tubesheet next to the piping has a...