高耐腐蚀性能铸造Al合金

<正>俄罗斯专利RU2333995中公布了一种俄罗斯技术人员研发的新型高耐腐蚀性能铸造Al合金。合金主要成分的质量分数为:4.5%~5.5%Zn,1.0%~1.5%Mg,0.4%~0.8%Mn,0.1%~0.2%Ti,0.03%~0.05%Be,0.1%~0.15%Cr,1.0~1.5%Ni,0.1%~0.2%Zr,0.01%~0.02%Sb,0.02%~0.04%La,0.01%~0.02%As,其余是Al。