... and shapes: boat, crucibles, funnels, Tungsten copper alloyGrade: W80Cu20, W75Cu25, W90Cu10 W92.5NiFeTungstn Copper Alloy applications: For the spark erosion ... shows: W80Cu20 dia50*50We can produce tungsten boat, tungsten crucibles, tungsten funnels, tungsten barrel, tungsten tubes and various kinds of special liquid ... rays Harmless to the health and environments. W97NiCu tungsten copper alloy W97%