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Tungsten Wire Chemical Composition:
Main and minor components | Min.content(%) |
W | Balance |
Al | < 30 µg/g |
K | 30 – 70 µg/g |
Si | < 30 µg/g |
Impurities | Max.values (μg/g) |
Cu | 10 |
Cr | 20 |
Fe | 30 |
Ni | 20 |
Mo | 100 |
C | 30 |
N | 10 |
O | 50 |
Cd | 5 |
Hg | 1 |
Pb | 5 |
Tungsten Wire Peformance :
Surface: Chemically cleaned (metallic dull surface)
Black(surface with graphite layer)
Density: ≥ 19,30 g/cm³
Cracks: 100 % eddy current tested, splitlevel maximum 2.0%
Dimensions and tolerance