The preferred method is warm extrusion since chilly extrusion is usually only utilized on soft metals and steel deformation resistance is very low at substantial temperatures. Probably the most promising solid-point out procedures for chip recycling is Friction Stir Extrusion (FSE). Even though it was patented in 1993 by TWI https://extrusion34445.blogpixi.com/29636870/the-greatest-guide-to-aluminium-extrusion