Tungsten Rod / Bar
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Products Details
Tungsten rod/bar is divided into sintered, forged and spinning forged according to processing, while black, lathe-polishing and polishing according to its surface. Since the melting point of tungsten is high, the forging tungsten stick of high purity, high density and outstanding high-temperature creep resistance is extensively applied in making supporting tungsten crucible of sapphire growth furnace, electrode of rare earth high-temperature furnace, heating parts, connecting parts and supporting stick. While the tungsten rod is used in making heating parts, and electrode of high-power lamps whose processing methods include sintering, forging, turning forging and polishing.
| Diameter (mm) | Tolerance (%) | Length (mm) |
| <20 | +/-0.1 | 2000 |
| 20~30 | +/-0.1 | 1200 |
| 30~60 | +/-0.1 | 1000 |
| 60~70 | +/-0.2 | 800 |
| 70~90 | +/-0.2 | 600 |
| >90 | Special requirements to be agreed on by the supplier and buyer | |
| Note: Black W-rod φ0.5~3----Straightened Rods after Drawn: φ3.0~18----Straightened Ground Rods after Swaged; φ18~----Ground Rods after machined. | ||
Application
1. Heat resistance components: heat shield, heating element of high temperature vacuum furnace.
2. Tungsten sputtering targets for the vacuum coating and evaporation coating.
3. Electronic and semi-conduct components.
4. Ion implanted components.
5. Tungsten boats for sapphire crystal furnaces and vacuum furnaces.
6. Unclear industry: The first wall of fusion reactors.
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