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俄罗斯专利RU2327756中公布了一种不含Pb元素的易切削Al基合金。该合金的化学成分的质量分数为:O.6%~1.2%Mg,0.6%-1.2%Si,0.%~1.0%Mn,0.1%~0.5%Fe,0.05%-1.0%Cu,0.005%-一0.05%Ti,0.6%-1.0%Sn或0.2%~0.8%Bi,