zinc alloy has a good casting performance, a good mechanical properties and high wear-resistance zinc alloy has a big specific gravity, a good casting performance, a good mechanical properties and high wear-resistance . Chemical composition (weight %)of LM25SiCuMgZnMnFeNiSnTiPbAl6.5-7.50.1max0.2-0.451.0max0.3max0.5max0.1max0.05max0.2max0.1maxRME Chemical composition (weight %) of ...