... rod diameter: 85mm3,Long and diameter proportion: 30:1 (L/D)4,Screw rod material tube material quality: 38CrMoALA nitrogenization treatment(CE ... 2.5KW11,heater: Cast aluminum heater12, Auto loader B,Extruder’s Die head: Thickness of chromium plating: 50um1,shape: In shape ... the extrusion sheets: 2 tiers3,max. making width: 1500mm 4,heating section: 5 areas5,heater: Cast aluminum heater5,heating power ...