243winxb
Member
what is the cost of these cases vs conventional one-piece brass?
As the materals used moves away from brass, it should be cheaper. This would be using steel & aluminum types. In the lower PSI ranges.
The higher pressure loadings will use more expensive metals like titanium alloys, or other blends. The head & body can be made from different alloys, because of the mating process used. The patent claims pressure as high as 120,000 PSI. Time will tell.
Has changed to a newer process years ago. The 2 piece "brass"unit has a stamped case head and extruded body. There are different methods of combining the 2 in the patent. I would guess high pressure swaging forms the completed units.conventional one-piece brass
Brass is still also made by drawing the brass from a cup, as far as i know.
Reading both patents gives a lot of info on the 2 newer "case" forming methods.
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