Сохранить в закладки 62229022287:
Surface: | black, alkali washing |
Purity: | 99.95% |
Material: | W1 W2 |
Certificate: | ISO 9001 Ro HS SGS |
Density: | 19.3g/cm3 |
Application: | industrial |
Melting Point: | 3620 |
Product Keywords | tungsten filament high effient service,tungsten carbide wire |
Product Details:
Product Name: | Tungsten Wire |
purity: | 99.95% |
Grade: | W1,W2 |
Appearance: | Regular black covered with graphite. After graphite is removed it is metallic luster |
Application: | 1,producing electric light source parts and electri c vaccum components. 2,producing heating elements and refractory par ts in high temperature furnaces. 3,producing heating elements used in vaccum metalizing or plating. |
Chemical components:
Designation | Tungsten Element(%) | Impurity Element | |
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:
Diametert(um) | Weight(mg/200mm) | Weight(mg/200mm) Tolerance(%) | Diameter Tolerance(%) | ||||
Grade0 | Grade1 | Grade2 | Grade0 | Grade1 | Grade2 | ||
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 | >272.71~371.7 | - | ±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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