Tungsten Nickel Iron rod tungsten heavy alloy bar rod WNIFe WNICu high purity polishing surface for industrial ASTM B760 alloy for Metallizing, Electron-beam Spraying, sinteting or heating
W75Cu25 W60Cu40 W80Cu20 Tungsten copper rod bar strip ring roll roller die alloy, used for transistors sealing welder, contactor material for highvoltage switches and electrodes for sparking etc.