Click Personal Profile after login to opt out. Some of the pressure vessels software has this function.
Some softwares are available for demonstration.
Corrugated metal gaskets will work at low pressures but fail at higher pressures. Talk to your vendor. For the Kellogg method I know the formula, but I'm particulaly interested in the maximum allowable pressure to check that against, having seen someone use 1.5 times the nominal flange rating. The name by which you'll be known in the forums. Click Here to find out why.