Non Ferrous Tungsten Materials Melting Crucible Sintering
Feature Tungsten Melting Crucible
1). Sintering tungsten crucible
Density: 18.0 - 18.7 g/cm3
Working temperature: 1800 - 2, 600 DC
Diameter: 100 - 600mm (max. )
Cubage: 0.5 - 100 litres
2). Forging tungsten crucible
Density: 18.5 - 19.0 g/cm3
Working temperature: 1800 - 2, 600 DC
Diameter: 18 - 120mm (max. )
Cubage: 20 - 500 ml
Specification
delivery condition | specification | tolearance | thickness | roughness | ||
diameter | height | diameter | height | |||
sintered | 10-550 | 10-750 | +/-5.0 | +/-5.0 | 8-20 | <3.5 |
sintering finishing | 10-450 | 10-550 | +/-0.5 | +/-1.0 | 7-18 | <2.5 |
Atomic number | 74 |
CAS number | 7440-33-7 |
Atomic mass | 183.84 [g/mol] |
Melting point | 3420 °C |
Boiling point | 5555 °C |
Density at 20 °C | 19.25 [g/cm3] |
Crystal structure | Body-centered cubic |
Coefficient of linear thermal expansion at 20 °C | 4.410-6[m/(mK)] |
Thermal conductivity at 20 °C | 164 [W/(mK)] |
Specific heat at 20 °C | 0.13 [J/(gK)] |
Electrical conductivity at 20 °C | 18.2106[S/m] |
Specific electrical resistance at 20 °C | 0.055 [(mm2)/m] |
Tungsten Melting Crucible Application