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.
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Tungsten Property |
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Melting point: |
3420 o C± 20 o C
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Boiling point: |
5550 o C
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Coefficient of linear thermal expansion at 20 ° C |
4.2 · 10 -6 [m/(m· K)] |
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Thermal conductivity at 20 ° C |
164 [W/(m· K)]
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Specific heat at 20 ° C |
0.13 [J/(g· K)]
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Electrical conductivity at 20 ° C |
18 · 10 6 [1/Ω · m)]
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Specific electrical resistance at 20 ° C |
: 0.050 [(Ω · mm 2 )/m]
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Molybdenum Property |
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Melting point: |
2620 o C± 20 o C
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Boiling point: |
4679 o C
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Coefficient of linear thermal expansion at 20 ° C |
5.2 · 10 -6 [m/(m· K)] |
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Thermal conductivity at 20 ° C |
142 [W/(m· K)]
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Specific heat at 20 ° C |
0.254 [J/(g· K)]
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Electrical conductivity at 20 ° C |
17.9 · 10 6 [1/Ω · m)]
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Specific electrical resistance at 20 ° C |
: 0.056 [(Ω · mm 2 )/m]
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SMT focus on manufacturing tungsten, molybdenum and alloy fasteners in high quality standard for Semiconductor, LED, Furnace, Solar and Heating device and extreme high temperature environments. We have over 10 years experience in this two materials, Our Main Markets are USA, Russia, Europe and Asia, we offer fasteners in pure tungsten W>99.95%, pure molybdenum Mo>99.95%, WT, WL, TZM, Mola, alloy
10 years experience focus on tungsten, molybdenum refractory metal materials, Professional producer of fasteners
