“…The gases used to produce heat are usually oxygen and acetylene. The flare melts the coating material and is rapidly ejected to the substrate surface [1][2][3] Overlay metallic coating is performed by applying new materials onto the surface of an element. By adding one or even more strong metallurgically connected layers with the base material that has: mechanical, metallurgy, and chemistry able of ensuring barrier properties against the influence of corrosion, erosion and, different phenomena caused by the service.…”