i Would calculate the surface area the threads have in contact with the plate and after adding in the required safty factor use the pressure on the plate and figue out how many threades it would need and increse the plate thickness,or if you could weld the pipe to the plate.
Thanks for the site information. I am trying to design it for 24/7 use and it is to be a single w beam used as a track and main supporting member or beam i am just not sure when breaking down the applied forces how many time or where exactly along the 5 meter beam i should anticapate and design...
I need to design a 25 ton crane and beam assembly. it will get fastened to a roof column on the side of a factory interior. The other end is to be linked from the a roof truss or something above capable of supporting any ideas how to begin.