制备了Si含量为0.03%~0.06%,B含量为0.010%~0.015%,Fe含量为0.10%~0.60%的8系铝合金连铸连轧产品,并将所得产品进行力学和电学性能测试。结果表明,随着Fe含量的增加,铝合金杆电阻率先增大后维持稳定。铝合金杆的抗拉强度则随着Fe含量的增加呈上升的趋势,达到一定值时其增大速度逐渐变缓。为了保证该铝合金杆的电学和力学性能,Fe含量应当控制在0.28%~0.43%范围内。 The 8 series aluminum alloy continuous casting and rolling products with Si content from 0.03% to 0.06%, B content from 0.010% to 0.015% and Fe content from 0.10% to 0.60% were prepared, and the mechanical and electrical properties of the obtained products were tested. The results show that with the increase of Fe content, the resistivity of the aluminum alloy rod first increases and then remains stable. The tensile strength of aluminum alloy rod increases with the increase of Fe content, reaching a certain value, its increasing speed gradually slows down. In order to ensure the electrical and mechanical properties of the aluminum alloy rod, Fe content should be controlled within the range of 0.28% ~ 0.43%.