... . Temper: O, H112,T4,T6 Aluminum BarWe are professional of supplying aluminum cold draw and extruded bar and rod by standard GB/T3191,ASTM ... B221,ASTM B211,BS1474, ISO209, EN573 and JISH4000 1 ... .Standard:GB/T3191,ASTM B221,ASTM B211,BS1474, ISO209, EN573 and JISH4000 2.Grade: 1xxx,2xxx,3xxx,5xxx,6xxx,7xxx, 8xxx ...