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Beijing Tungsten&Molybdenum Group Co.,LTD(BTM Group) is a leading manufacturer of Molybdenum Wire for use as the electrode for the Traveling-Wire Electrical-Discharge-Machining process (EDM).
Until the 1960s, copper was used for the traveling wire almost exclusively.  With copper, typical wire diameters are 4 - 10 mils and typical wire-travel speeds are 4 - 6 inches per second.  Smaller diameters cannot sustain the tension requirements; slower speeds result in excessive spark erosion. Now, more and more users are demonstrating that molybdenum wire is better.
 
Special sizes are available, please contact sales for inquiries.