| Material | Pure tungsten |
| Specification | (Ф2.0-Ф100)mm* L(50-2000)mm |
| Density | 19.2g/cm3 |
| Purity | 99.95% |
| Surface | Black, ground or machined |
| Grade | W-1 |
Ion implantation parts, electric light source parts,electric vacuum components, heating elements and refractory parts in high temperature furnaces,glass and glass fiber industry, electrodes in the field of rare earth metal industry etc.
1. High melting point (3410°C)
2. Low thermal expansion
3. High electrical resistance
4. Low vapour pressure
5. Good thermal conductivity
6. High density
Tungsten rod is manufactured as random length pieces or cut to customers' desired lengths. Standard diameter and length tolerances are listed as follows. Other, closer tolerances can be quoted on request. In addition, there are three different surface processes or finishes which are provided, depending upon the desired end use.
| Type and Size: | |||
| Type | Swaged Rods | Straightened Rods after Drawn | Ground rods available |
| Size | Ф2.4~95mm | Ф0.8 ~3.2mm | |
| Chemical Composition: | |||
| Impurity Elements Content | |||
| Designation | Tungsten Content | 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: Potassium is not counted in impurities content. | |||
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