The influence of slab grain size,dimension of second phase particle and metallic purity on the mechanical property of the foils for air-conditions are summarized.

• 总结了铸锭晶粒度、第二相质点大小和金属纯洁度对空调箔力学性能的影响，介绍了改善铸锭晶粒结构、减小第二相质点尺寸和减少金属夹渣的方法。