Companies in the Hard Facing Service industry provide a specialized welding repair service that involves applying a hard, wear-resistant material to the surface of metal parts. This process is commonly used to extend the life of machinery and equipment that is subject to high levels of wear and tear, such as mining equipment, agricultural machinery, and oil drilling equipment. Hard facing can also be used to repair damaged parts, reducing the need for costly replacements. The process of hard facing involves using a welding technique to apply a layer of hard, wear-resistant material to the surface of a metal part. This material is typically a metal alloy that is specifically designed to withstand high levels of wear and tear. The hard facing process can be used on a wide range of metal parts, including gears, shafts, rollers, and blades. Companies in the Hard Facing Service industry typically provide a range of services, including hard facing, welding repair, and fabrication. They may also offer specialized services such as thermal spraying, which involves applying a coating of metal or ceramic material to a surface using a high-velocity flame or plasma arc.