... spraying average a layer on the original materials.38CrMoAlSACM645,Basic general materials is 38CrMoAlSACM645 Spraying the way for explosive, supersonic spray ... teeth, welding PTA broader application of spray, we spray the PTA nickel alloy material element (Ni), iron (Fe), ... B), chromium (Cr), carbon Our twin-alloy screw on the outstanding features1. Sclerosis thickness is up to 2mm, with depth ...