... for jewellery, tools, for heavy cold forming, chasings, plastic moulds, shredder knives, embossing tools, big master hobs, ... machines, long, slim extrusion stems, bending tools, reinforcing rings, drawing jaws, mandrel holders for extrusion mandrels, forging ... industrial blades, mold inserts for high hardening and abrasive stress, plastic moulds.Heat Treatment:Annealing : 610 - 650 °CHardness after ...