Thoriated Tungsten Wires

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Product Detail

Thoriated Tungsten Wires


Baoji Refractory Metal Developer Co.,Ltd is one of the leading China thoriated tungsten wires manufacturers and suppliers, and as a professional company we have productive factory, welcome to wholesale thoriated tungsten wires products from us.

THORIATED TUNGSTEN WIRES

  WTH7 can be used for making electron tube, the hook of emitting tube, spring, high temperature electrode and negative electrode of light air discharge.

       WTH10?WTH15?WTH20?WTH40 can be used for making a negative electrode and

railing electrode of electrode and filament which is against vibration.


² Chemical Composition:

Designation

W% min

Oxide%

Impurity%

Each Impurity

WTH7

98.90

0.70~0.99

<0.10

<0.01

WTH10

98.41

1.00~1.49

<0.10

<0.01

WTH15

97.91

1.50~1.99

<0.10

<0.01

WTH20

97.64

1.99~2.50

<0.10

<0.01

WTH40

95.69

3.90~4.2

<0.10

<0.01


² Specification and Tolerance:  

Designation

WTH7

WTH10

WTH15

WTH20

WTH40

Condition

R

Size

F0.15mm~F0.16mm

Diameter mm

200mmweight of tolerance%

Diameter of tolerance%

?

?

?

?

F 0.2~F 0.35

±1.5

±2.0

—

—

>F 0.35~F 1.6

—

—

±1.0

±2.0


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