bended aluminum flat bar 1,aluminum bracket 2,aluminum tube rack 3,aluminum holder 4,bended aluminum ... 6000 grade,Such as 6063,6061.other alloy uponcustomer’s requirement,like Special Al alloy-1060,1070,2011,2017,2021,2024,3003 ... ,OEM. bended and punched aluminum bar,flat aluminum bar,aluminum bracket