Iron-Epoxy composite samples were prepared by addeddifferent weight percentages (0, 5, 10, 15, and 20 wt %) from Ironparticles in the range of (30-40μm) as a particle size. The contentswere mixed carefully, and placed a circular dies with a diameter of2.5 cm. Different mechanical tests (Shore D Hardness, Tensilestrength, and Impact strength ) were carried out for all samples. Thesamples were immersed in water for ten weeks, and after two weeksthe samples were take-out and drying to conducting all mechanicaltests were repeated for all samples. The hardness values increasedwhen the Iron particle concentration increased while the Impactstrength is not affected by the increasing of Iron particlesconcentration. The tensile strength results reveal that the tensilestrength and the strain values of composite samples decreases whenthe Iron particles concentration increase. After conductedimmersion processes the results of hardness are reduced wears theresults of tensile strength and the impact strength are increased.