6863-H18铝材/铝板/铝棒
1050-T9铝材/铝板/铝棒
2419-T9铝材/铝板/铝棒
5049-T451铝材/铝板..
5556-T4511铝材/铝..
6101-T6511铝材/铝..
6181-T7651铝材/铝..