采购铝锭

铝含量95%以上，Cu≤1.5%，Ng≤2%，Fe≤2.5%,Si≤1%,Mn≤1.2%,Ni≤0.1%,Ti≤0.1%,Sn≤0.1%,Zn≤2%,Pb≤0.2%,Cr≤0.2%,单重0.7-1.3Kg,长370-42-mm，下宽36-48mm，