High quality tungsten alloy processing parts WNiCu parts WNiFe parts
US $10.00-$150.00
Вольфрамовый тигель, цена
- Category: Tungsten Crucibles >>>
- Supplier: Baoji TST Nonferrous Metal Co. Ltd.
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Product Overview
Description
tungsten crucible price pure tungsten crucible for melting
1.1 Tungsten Crucible Features
l high temperature resistance
l low CTE
l High wear-resistance corrosion-resistance
l High pyroconductivity
l excellent hardenability
1.2 Tungsten Crucible Application
Ø Sapphire Crystal Growth
Ø Quartz Glass
Ø Coating
Ø Rear Earth Metallurgy
1.3 Tungsten Crucible Specification
1.3.1 Tungsten Crucible Dimension
Dia(mm) | Wall Thickness(mm) | Length(mm) |
30-50 | 2-10 | ≤1300 |
50-100 | 3-15 | |
100-150 | 3-15 | |
150-200 | 5-20 | |
200-300 | 8-20 | |
300-400 | 8-30 | |
400-450 | 8-30 |
1.3.2 Tungsten Crucible Chemical Composition
Grade | W % (≥) | Residual Elements | |
Total | Each | ||
WAL1,WAL2 | 99.95 | 0.05 | 0.01 |
W1 | 99.95 | 0.05 | 0.01 |
W2 | 99.92 | 0.08 | 0.01 |
Note: K is not as impurities | |||
1.3.3 Tungsten Crucible Material Property
Material | Pure Tungsten |
Melting point: | 3420°C±20°C |
Boiling point: | 5550°C |
Linear thermal expansion Coefficient (20°C) | 4.2×10-6 [m/(m·K)] |
Thermal conductivity (20°C) | 164 [W/(m·K)] |
Specific heat (20°C) | 0.13 [J/(g·K)] |
Electrical conductivity (20°C) | 18 · 106 [1/Ω·m)] |
Specific electrical resistance (20°C) | 0.050 [(Ω·mm2)/m] |
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