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tungsten wire for edm with best price
Tungsten wire:
1. Purity: 99.95%-99.98%;
2. Grade: W1, WAL1,W-4
3. Density:19.2g/cm3
4. Package:wooden case or on request;
5. The tungsten wire features excellent formability, long life and super lighting efficiency. Mainly used for making various electron tube, H series auto lamp,
halogen lamp and other special lamp
Pure molybdenum wire:
1. purity: 99.95%
2. grade: Mo-1, Mo-2
3. density:10.15g/cm3
Applications:
*For producing electric light source parts and electric vaccum components
*For producing heating elements and refractory parts in high temperature furnaces
*For producing heating elements used in vaccum metalizing or plating
Appearance: W-wire is regular black covered with graphite. After graphite is removed it is metallic luster.
Chemical Composition:
| Designation | Tungsten Content | Impurity Elements 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. | |||
Diameter tolerance(%):
| Diameter (μm) | Weight (mg/200mm) | Weight(mg/200mm) Tolerance(%) | Diameter Tolerance(%) | ||||
|---|---|---|---|---|---|---|---|
| Grade 0 | Grade 1 | Grade 2 | Grade 0 | Grade 1 | Grade 2 | ||
| 5≤d≤12 | 0.075~0.44 | - | ±4 | ±5 | - | - | - |
| 12<d≤18 | >0.44~0.98 | - | ±3 | ±4 | - | - | - |
| 18<d≤40 | >0.98~4.85 | ±2 | ±2.5 | ±3 | - | - | - |
| 40<d≤80 | >4.85~19.39 | ±1.5 | ±2.0 | ±2.5 | - | - | - |
| 80<d≤300 | >19.39~272.71 | ±1.0 | ±1.5 | ±2.0 | - | - | - |
| 300<d≤350 | >272.71~371.79 | - | ±1.0 | ±1.5 | - | - | - |
| 350<d≤500 | - | - | ±1.5 | ±2.0 | ±2.5 | ||
| 500<d≤1800 | - | - | ±1.0 | ±1.5 | ±2.0 | ||
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