Tungsten copper alloy Grade: W80Cu20, W75Cu25, W90Cu10 W92.5NiFe Verious specifications and shapes: boat, crucibles, funnels, Tungsten copper alloyGrade: W80Cu20, W75Cu25, W90Cu10 W92.5NiFeTungstn Copper Alloy applications ... produce tungsten boat, tungsten crucibles, tungsten funnels, tungsten barrel, tungsten tubes and various kinds of special liquid- flow hole panel, etc ( the ...