During this project and in the form of a contract concluded with Islamabad west Power Plant, three sets (each set of ten pieces) of H25 turbine liners and transition-pieces were built. The mentioned parts were taken during the process of reverse engineering, data collection and material analysis, then the drawings, material specifications, welding specifications, coating, etc. were prepared and the parts were made based on those. The material used in making these items was Hastelloy-X, which was coated with TBC by APS method.