1>Materials:99.95% Min; 2>Size:OD:10-300mm; 3>Height:6-600mm ; 4>Standard:GB/T3876-1983... Tungsten crucible:1,Materials:99.95% Min; 2,Size:OD10-300mm; 3,Height:6-600mm ; 4,Standard:GB/T3876-1983,ASTMAlso can supply on your drawingProduction introduce:1.Appearance: shiny, matte or as-rolled2.Standard:GB/T 17792-19993.Density:>=10.1g/cc4. Tungsten and Molybdenum Crucible made of forged Rod: ...