Surface Heat Treat and Coatings (formerly Surface Metallurgical) is an independently owned and run business established back in 1997. Surface Heat Treat and Coatings is located in Stoney Creek at 295 Arvin Avenue and provides heat treatment and wear resistant coatings to the automotive, nuclear, oil, agricultural and tool and die industries. Surface Heat Treat and Coatings is one of the original TD (Thermal Diffusion) producers in all of North America and also offers Arcor nitriding, Boronex Boriding coating, Annealing, Vacuum heat treatment and Case Hardening.