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Novel copper strip production
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Unique. Our customer Mansfelder Kupfer und Messing GmbH, Germany – which belongs to Kazakh company Kazakhmys Corp. – called the cold rolling mill we built for it “a novel plant for copper strip production and currently one of the most modern and powerful plants of the world".

Custom built. The non-reversing rolling mill consisting of two six-high mill stands is designed for cold rolling hot- and cold-rolled as well as annealed quality strip made of copper, brass, bronze, and nickel silver. It features all our technology packages for high strip quality. What’s more, MKM rolls with mineral oil (ignition point 150° Celsius). This is a process that demands particularly strict fire protection, but produces excellent surfaces with absolutely no brown marks. That bolsters MKM’s reputation as a world market leader in high quality products mainly used in architecture or for decorative interior cladding.

The future now. At a rolling speed of 600 m/min, a pre-rolled large copper coil weighing 23 t is finish-rolled in just five minutes. The tandem cold rolling mill is designed for strip widths of up to 1,250 mm and a minimum final thickness of 0.5 mm. Yet the plant’s operators at MKM are confident that this is not the limit of its capability and are already planning strip thicknesses of 0.35 mm.