Integrally-formed alloy for new energy automobile and preparation method of integrally-formed alloy

The invention discloses a new energy automobile integrated forming alloy and a preparation method thereof, and belongs to the technical field of new energy automobile manufacturing. The integrally formed alloy for the new energy automobile comprises the following chemical components in parts by mass: 591.7-640.7 parts of Al; 6.26 to 6.45 parts by mass of Si; 0.4 to 0.5 part by mass of Mg; 0.18 to 0.24 part by mass of Zn; 2.5 to 2.8 parts by mass of Fe-Mo; 0.005 to 0.01 part by mass of a rare earth element; therefore, the yield strength and the ductility of the integrally-formed alloy of the new energy automobile are improved, the quality of an alloy finished product is improved, and the purposes of light weight and cost reduction are achieved. 本发明公开了一种新能源汽车一体化成型合金及其制备方法，属于新能源汽车制造技术领域。所述新能源汽车一体化成型合金包括如下质量份化学成分：Al：591.7-640.7质量份；Si：6.26-6.45质量份；Mg：0.4-0.5质量份；Zn：0.18-0.24质量份；Fe-Mo：2.5-2.8质量份；稀土元素：0.005-0.01质量份；从而提高新能源汽车一体化成型合金的屈服强度、延伸率，使得合金成品品质得以提升，实现轻量化和降低成本的目标。