The Journal of Cleaner Production published a study titled "Quantifying the environmental and social sustainability impact of material choice in metal additive manufacturing: A life cycle assessment approach." The study combines Environmental Life Cycle Assessment (E-LCA) and Social Life Cycle Assessment (S-LCA) to quantify the sustainability impacts of material selection in laser powder bed fusion (LPBF) metal additive manufacturing. The geographical scope is Switzerland, and the functional unit is a 3D object with a printed mass of 1 kg. The study covers 10 metal powder feedstocks: AlSi10Mg, CoCr, CuCr1Zr, In625, In718, M300, Scalmalloy, SS17-4 PH, SS316L, and Ti6Al4V. The E-LCA covers 19 environmental indicators, while the S-LCA covers 23 social and socio-economic impact subcategories. A custom multivariate input process model was developed to assess the energy and raw material requirements of the printing process. The results show that AlSi10Mg, Scalmalloy, SS17-4 PH, SS316L, and M300 perform relatively well in both the environmental and social dimensions, while In718, In625, CoCr, and Ti6Al4V perform poorly, with CuCr1Zr in the middle. Using a conical impeller as an application example, among the four candidate materials CoCr, In625, In718, and SS316L, SS316L has the best environmental performance. The study points out that the main hotspots of environmental and social impacts are concentrated in the raw material supply stage, especially the high-environmental-impact elements contained in certain alloys, such as nickel, cobalt, and chromium. Existing sustainability research on LPBF metal additive manufacturing mostly focuses on technical aspects, and the social sustainability perspective is rarely addressed in the existing literature.