Grade | W1 |
Heat resistance | 3400℃ |
Density | 19.2 g/m3 |
Certificate | ISO9001 |
Application | Mechanical seals, pumps, valve |
Size | OEM |
Feature | Superior wear,Corrosion resistance |
Customized | Available |
Standard or Nonstandard | Nonstandard |
1.Excellent abrasion resistance
2.High wear resistance
3.High fractural strength
4.High thermal conductivity
5.Small heat expansion co-efficient
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 | 4.4 × 10-6[m/(mK)] |
Thermal conductivity at 20 °C | 164 [W/(mK)] |
Specific heat at 20 °C | 0.13 [J/(gK)] |
Electrical conductivity at 20 °C | 18.2 × 106[S/m] |
Specific electrical resistance at 20 °C | 0.055 [(Ωmm2)/m] |
1. widely used in semiconductor, chemical vapor deposition (CVD) and physical vapor deposition (PVD) display and optical applications;
2. applied in producing electrodes, heating elements, heat shields, sintering trays, sintering boats, stacking sheets, base plates, sputtering targets, crucibles in electronic and vacuum applications.
3. can be used as contacts in vehicle motors.