Name

Type

Doped element content

W%

Diameter

Usage

Tungsten rod

W-1

 

≥99.95

Φ0.35～10.0

To make twisted Tungsten wire and Tungsten heater,support of electron tube etc.

W-2

 

≥99.95

Φ0.35～10.0

WAl-1

 

≥99.95

Φ0.35～10.0

Filament for high temperature and shaking resistive lamp, spiral  lamp,halogen lamp,fluorescente lamp,efficient lightbulb.Electron tube part,Electrode of gas discharge lamp,etc.

WAl-2

 

≥99.95

Φ0.35～10.0

WTh-7

0.70～0.99

Residue

Φ0.35～10.0

Hook spring cathode of electron tube ,cathode of gas discharge  lamp etc.

WTh-10

1.00～1.49

Residue

Φ0.35～10.0

WTh-15

1.50～1.99

Residue

Φ0.35～10.0

WTh-20

2.00～2.20

Residue

Φ0.35～10.0

WTh-30

2.80～3.20

Residue

Φ0.35～10.0

WTh-40

3.80～4.20

Residue

Φ0.35～10.0

WCe-10

0.80～1.20

Residue

Φ0.35～10.0

Pothing spring cathode of electron tube ,cathode of gas discharge  lamp etc.

WCe-15

1.30～1.70

Residue

Φ0.35～10.0

WCe-20

1.80～2.20

Residue

Φ0.35～10.0

WLa-10

0.90～1.20

Residue

Φ0.35～10.0

Material for electron tube cathode ,transmitting rod,heater,high temperature resistive.

WLa-15

1.30～1.70

Residue

Φ0.35～10.0

WLa-20

1.80～2.20

Residue

Φ0.35～10.0

WZr-3

0.15～0.50

Residue

Φ0.35～10.0

WZr-8

0.70～0.90

Residue

Φ0.35～10.0