... , ESR or VAR.Applications:Highly stressed hot work tools in die forging presses for steels , brass and non ferrous metal, pressure ... metal alloys, mandrels, inner liners, stems, die holders, dummy blocks, pressure pads, bolsters, die and containers for metal tube and rod ... , nuts, bolts and rivets, hot shear blades, forging dies and press die inserts, die casting tools ,hot forming dies, hot gripper and ...