Thoriated Tungsten Wires

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