Any weld-able fitting can be incorporated into a convoluted hose assembly, and in any configuration, while other hose types require special shanks and collars. This can be a benefit over other hose types that would require multiple threaded connections to connect several hoses together. Every threaded connection is a potential leakage point, so every welded fitting eliminates a leakage point and can facilitate installation.
So, even though the application may not demand the use of a metal hose, there may be times metal will offer the versatility required for an application.
This current example is work in progress of a 3” standard flex hose assembly complete with a 3” fixed ANSI 300 flange one end and a 6” floating Table E flange the other end of the hose assembly.