Hard copper alloy with high thermal conductivity and high mechanical properties combined with good hardness and high temperature strength. Cupro CNB Areas of Applications : Spot welding electrodes and seam welding discs for stainless steel, Monel and nickel alloys, Flash welding dies, wire mesh electrodes, Plastic blow and injection moulds and inserts in steel tools for higher cooling rates, Nozzles and needles for hot runner systems, Plunger tips in aluminium die casting machines, Moulds for non-ferrous metal castings (as copper, brass, bronze), Welding tools in plastic packaging Code: DIN 17666 W. Nr. 2.1285, EN: cw 103C, AFNOR: UK2Be, USA CDA: C175000 RWMA: CLASS3