... China(Mainland)Application of Aluminum BarsAluminum bars can be used in aircraft structures, rivet, missile components, truck wheel hub, screw propeller ... Standard:GB/T3191,ASTM B221,211,BS1474,ISO209, EN573,JISH4000 Grade:1,2,3,5,6,7 series.Temper: O, H112 ... ,T4,T6Temper: H112, T4, T6, T651,T6510Diameter: 20-300mm Aluminum Bar and Aluminum Rod---wide range of uses