... One end closed quartz tube 60O.D x 57 I.D x 250 L (mm). KF25 connector and ... assembling High purity graphite crucible for induction heating and metal melting, . Please click here for details Graphite Crucible, , ... heater operating under Max power , e.g. 16KW. Melting time and temperature are related to material, crucible, ... let us know your alloy's composition, melting point and quantity to be melt