Our TITANIUM DIFFUSION SURFACE treatment has a surface hardness of up to 75 hrc and penetration up to 5 thousandth in depth. This process Is not a coating but titanium is diffusion right into the base metal of tooling with no or min. size change. It can be welded without stripping any coatings and if needed treated again without stripping. There is a real cost savings in cleaning, amount of parts produced and down time which = real dollars and over the coarse of a year the savings can be substantial. This process is done at low temps.