Inconel, Hastalloy, Waspalloy, Titanium, Aluminum, Stainless etc. No heat effected zone or change in the molecular structure occurs in the alloy material. There is no distortion as seen with typical heat cutting methods. Generally, cutting with waterjet costs less than traditional machining or cutting methods. In many cases, no secondary removal of slag or damaged material is necessary, and minimal to no burring is seen.