sapphire ingot growing furnace fixed parts materials: molybdenum & tungsten
Tungsten Property | |
Melting point: | 3420 oC±20 oC |
Boiling point: | 5550 oC |
Coefficient of linear thermal expansion at 20 °C | 4.2 · 10-6 [m/(m·K)] |
Thermal conductivity at 20 °C | 164 [W/(m·K)] |
Specific heat at 20 °C | 0.13 [J/(g·K)] |
Electrical conductivity at 20 °C | 18 · 106 [1/Ω·m)] |
Specific electrical resistance at 20 °C | : 0.050 [(Ω·mm2)/m] |
Molybdenum Property | |
Melting point: | 2620 oC±20 oC |
Boiling point: | 4679 oC |
Coefficient of linear thermal expansion at 20 °C | 5.2 · 10-6 [m/(m·K)] |
Thermal conductivity at 20 °C | 142 [W/(m·K)] |
Specific heat at 20 °C | 0.254 [J/(g·K)] |
Electrical conductivity at 20 °C | 17.9 · 106 [1/Ω·m)] |
Specific electrical resistance at 20 °C | : 0.056 [(Ω·mm2)/m] |
Screw, Nut, Bolt Elements
Chemical composition: tungsten >99.95%
molybdenum >99.95% , molybdenum lanthanum alloy , TZM alloy, Titanium, Tantalum
Specification: hexagon, round head and special design
Working temperature: 1500 ~ 2600 °C
Produce Method: Powder Metallurgy
Main applications
sapphire single crystal growth furnace, metallurgical industry furnace, vacuum furnace, high temperature furnace, silicon industry furnace, quartz glass, metal extracting, , machinery processing, glass and ceramic industries, etc.
SMT’s advantage in Screw components
1.high purity, Smooth finish , difficulty design, special shape
2.Long history and rich experience of supply W & Mo &Ta & Ti screw
3.Competitive price & professional service.
crystal growing furnace hot zone molybdenu fixed parts nut screw
