To start with it would be best to know what the tool steel alloy is. Do the weld properties need to closely match those of the base material, or would a ductile weld perhaps be better for the application? Is the tool steel already heat treated (hardened) or will it be welded in the annealed...
Agreed with EdStainless. In the case of aerospace manufacturing, mecanical testing is done on samples with help of FPI inspection mechanism in the process of 3d metal printing of the body parts. But in case for Nuclear testing CT is the way one sould go for. Although very expensive, but very...