Tungsten Wire

Oasis Materials Technology provides Tungsten wires used for producing electric light source parts and electric vacuum components, heating elements and refractory parts in high temperature furnaces, heating elements used in vacuum metalizing or plating.

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Tungsten wires can be used for producing electric light source parts and electric vacuum components, heating elements and refractory parts in high temperature furnaces, heating elements used in vacuum metalizing or plating.

Tungsten wire

Material: W≥99.95%

Size: Diameter>8μm

Tungsten wire finish conditions:

C:Chemical Cleaned

DS:Drawn + Straightened

EHS: Electrolytic Polished+ Annealed + Straightened

CS:Chemical Cleaned + Straightened

E:Electrolytic Polished

ES: Electrolytic Polished + Straightened

D:Drawn

EH:Electrolytic Polished + Annealed

H: Annealed

Specifications for tungsten wire

Diameter Weight 200mm Weight Tolerance (%) Diameter Tolerance (%)
(µm) (mg/200mm) Grade 0 Grade 1 Grade 2 Grade 1 Grade 2
8<d≤14 0.19<p≤0.59 ±3.0 ±4.0 ±5.0 N/A
14<d≤18 0.59<p≤0.98 ±2.5 ±3.0 ±4.0 N/A
18<d≤40 0.98<p≤4.85 ±2.0 ±2.5 ±3.0 N/A
40<d≤80 4.85<p≤19.39 ±1.5 ±2.0 ±2.5 N/A
80<d≤300 19.39<p≤272.71 ±1.0 ±1.5 ±2.0 N/A
300<d≤350 272.71<p≤371.18 N/A ±1.0 ±1.5 N/A
350<d≤500 N/A N/A ±1.5 ±2.0
d>500 N/A N/A ±1.0 ±1.5

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