Specification: Alloy:1000,2000,3000,5000,6000,7000 series Teper:H112,O,T1,T4,T6,T651,T6511 Dia.:10mm-350mm Standard:GB/T3191 aluminum bar: AlloyTemper1050,1200H1122A12,2014,2014A,2017A,2024O,T1,T4,T6,T6510,T65113003O5083H112,O6005A,6060,6061,6063,6063A,6082,6463T5,T67072,7075O,T6,T6510,T6511Note: If customers need other alloys or tempers, that can be determined by consultation.