some might think this old, but it done very much the same way. Well maybe more safety bs. I'll have to finish watching later, not sure if it in there... but here is one on seamless piping. you can... crazy the amount of force used to push through a die. but point is the process is still the same just more automated etc. https://tube.poal.co/lueB6RvqMSo but most coil stuff is made the same as you seen. and presses are the same thing too, loud and BANG, only most dies are CNC made now *you want to some really cool shit, checkout forging engine cam, here is a quickie for you https://tube.poal.co/nfdxxv30kbM i think those are for ships