Medium hardness, mostly used Aluminium Bronze for all applications requiring wear resistance, fatigue resistance together with ductility, toughness and good sliding properties. Cupral 2 Areas of Application: Bearings, bushings, gears, worm wheels, sleeves, guides, wear plates, screw nuts, slippers, wedges, skids, valve seats and guides, gibs and slides Code: -2.0936, CuAl10Fe3Mn, UNS No: C62400 Heat Treatment : It is not necessary. If there is intensive processing, stress relief at 380 °C for 3 hours is recommended.