Spray and Fuse

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In this process, a combustion powder spray gun is utilized to deposit a wide variety of materials onto a substrate. The powders used for spray and fuse hardfacing are typically compositions of Ni, Cr, Co, Bo, Fe, W and WC in varying blends. After the coating has been sprayed to a pre-determined thickness, an oxygen-acetylene torch, or a furnace, is used to heat the part to approximately 2000 degrees Fahrenheit, fusing the coating within itself and to the substrate, thereby achieving a true metallurgical bond. With this process, coatings can be applied with a hardness up to 80Rc.

Spray and Fuse