The conventional EDM cannot always produce tight corners or very intricate patterns, wire EDM's increased precision allows for intricate patterns and cuts. Additionally, wire EDM is able to cut metals as thin as 0.004”. At a certain thickness, wire EDM will simply cause the metal to evaporate, thereby eliminating potential debris. The wire is surrounded by a ring of current, the smallest and most precise cutting path possible is the added diameter of the ring and wire; technicians easily account for this added dimension. Manufacturers continue to produce thinner and thinner wires to allow for smaller kerfs and even finer precision. The most widely used austenite steel is the 304 is also known as 18/8 for its composite, Accompanying the development of materials in manufacturing the 304 steel having high hardness. Nevertheless, such materials are machining by various machine but the difficult is material removal rate relies upon the cutting speed and furthermore the great surface harshness. The impact of the different procedure parameters of WEDM like release flow, wire speed, wire pressure, dielectric stream rate, beat on schedule (TON), beat off time (TOFF) have been researched to uncover their effect on yield parameter i.e., Material Removal Rate(MRR) and Surface Roughness Steel 304 using RSM Design called a face centered Design. The optimal set of process parameters has also been predicted to maximize the MRR and Surface Finish. © 2021 Elsevier B.V., All rights reserved.