tungsten filament
tungsten filament
tungsten filament
tungsten filament
tungsten filament
tungsten filament
tungsten filament

tungsten filament

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Product Overview

Description


tungsten filament



Product Description


Application 





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.



































































































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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Packaging & Shipping


 We offer material composition sheet and examination report which include density, flaw detection, dimensions and so on. Our products are packed in plywood case with expanded plastic. What's more, the case is moistureproof and grooved for products being placed stably.-





Our Services


 our service 1





Company Information


 We have 15 years experiences in producing and saling qualified Refractory metals to our customers


Production EquipmentsTest Equipments





FAQ


 FAQContact Details




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