Wth7 Series Thoriated Tungsten Wires for TIG Welding

• Customization: Available
• Type: Rolling Wire
• Material: Stainless Steel
• Model NO.: Thoriated Tungsten Wires( WTH7)
• Flux Containing: Not Containing Flux
• Slag Characteristic: Alkaline
• Extended Length: 10-20mm
• Transport Package: Export Standard Package
• Specification: CE CCC ISC9002
• Trademark: shellmax
• Origin: China
• HS Code: 85153900
• Production Capacity: 1, 000 Tons/Month

Product Description

WTh7 can be used for making electron tube, the hook of emitting tube, spring, high temperature electrode and negative electrode of light of air discharge. WTh10\WTh15\WTh20 can be used for making a negative electrode and railing electrode of electron tube, high temperature electrode and filament which is against vibration.

Model: WTH7
Condition: R
Specification: ø 0.2- ø 0.8

(Diameter allowed tolerance of the wire )mm (diameter)	200mmm (tolerance of wire weight)		(diameter allowed tolerance)
	(first -grade)	(second-grade)	(first -grade)	(second-grade)
ø 0.2-ø 0.35	±1.5	±2.0
> ø 0.35-ø 0.80	-------	------	±1.0	±2.0
chemical composition model	W%	Oxide%	Impurity%	intermingled material content
WTh7	98.90	0.70-0.99	<0.01	<0.01
WTh10	98.41	1.00-1.49	<0.01	<0.01
WTh15	97.91	1.50-1.99	<0.01	<0.01
WTh20	97.64	1.99-2.50	<0.01	<0.01