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Wire electrical discharge machining (WEDM) is used to manufacture conductive hard metal components with intricate shape, greater tolerance and precision. A review of the literature reveals that most of the research work has been directed towards the optimization of WEDM operation and modeling of the process. The present research work has been focused on the detailed study for the effect of cryogenic treatment to wire electrodes used in WEDM. Experimental setup has been developed to conduct the different set of experiments. The untreated and cryogenically treated brass wire electrodes have been tested for various properties, like micro-hardness, tensile strength, conductivity.It has been observed from experimental results that the wire grains are more refined in deep and shallow cryogenically treated wire electrodes. The electrical conductivity of deep and shallow cryogenically treated electrode has significantly improved. From the research work, it has been concluded that the deep and shallow cryogenically treated wire electrodes have enhanced the MRR, improved the surface finish and WWR significantly.