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Powder Metallurgy Sintering Tungsten Crucible For Sale
Tungsten Crucible Character
Melting point:3410±20℃ Boiling point:5927℃
Density: 17.8 g/cm3~18.3 g/cm3; >18.5g/cm3
Relative molecular mass:183.84
Internal surface finish ≤1.6 CAS:7440-33-7
Tungsten Crucible 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 Crucible Application