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更新时间：2026/10/14 9:22:22关注度：1333
关键词标签：EMS钨丝73804,美国进口钨丝0.25mm,EMS钨丝0.25mm
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Tungsten has the highest melting point and lowest vapor pressure of all metals, and at the temperatures over 1650°C has the highest tensile strength. It has excellent corrosion resistance and is attacked only slightly by most mineral acids.
Tungsten is the most useful material used in vacuum evaporation technique, due to its special properties and cost factor.
| Chemical symbol: | W |
| Atomic Radius: | 2.02Å |
| Atomic Volume, cm3/mol: | 9.53 |
| Covalent Radius: | 1.3Å |
| Crystal Structure: | Body centered cube |
| Number of Electron (with no charge): | 74 |
| Atomic Number of Protons: | 74 |
| Number of Neutrons (most common/stable nuclide): | 110 |
| Ionic Radius: | 0.62Å |
| Cross Section: | 18.5 barns ± 0.5 |
We are offering tungsten wire in 99.90% purity. Available in 0.025" (.64mm), 0.02" (.51mm), "(0.23mm) diameters.
| Cat # | Deｓcription | Pack |
|---|---|---|
| 73800 | Tungsten Wire, 0.020" (0.51mm ) Diameter | 20 ft |
| 73801 | Tungsten Wire, 0.020" (0.51mm ) Diameter | 100 ft |
| 73802 | Tungsten Wire, 0.025" (0.64mm ) Diameter | 20 ft |
| 73803 | Tungsten Wire, 0.025" (0.64mm ) Diameter | 100 ft |
| 73804 | Tungsten Wire, 0.009" (0.25mm ) Diameter | 20 ft |
| 73805 | Tungsten Wire, 0.009" (0.25mm ) Diameter | 100 ft |
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