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You are here: Home » Products » Tungsten Electrodes » High quality Wz8 Zirconium tungsten electrodes for Aluminium welding
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High quality Wz8 Zirconium tungsten electrodes for Aluminium welding

A zirconiated tungsten electrode produces an extremely stable arc and resists tungsten spitting. It is ideal for AC welding because it retains a balled tip and has a high resistance to contamination. Its current-carrying capability is equal to or greater than that of thoriated tungsten.

  • WZ8
  • YUHENG
Diameter:
Length:

0.8% Zirconiated tungsten electrodes (AWS classification EWZr-8) ,which contain a minimum of 99.10% tungsten and .65 to .90% zirconium, is most commonly used for AC welding because it balls up well in AC welding and has a more stable arc compared to EWP or Pure Tungsten. Its current carrying capability is equal to or greater than 2% thoriated tungsten electrodes. Under no circumstances is zirconiated recommended for DC welding. In AC welding ,especially under high load current, 0.3% Zirconiated tungsten electrodes can not be replaced by any other tungsten electrode.


Parameters of Zirconiated wolfram Electrode


Type

Additives

Content

W%

Sing color

WZ3

ZrO2

2.8~3.2%

>98.4

Brown

WZ8

ZrO2

0.6~1.0%

>97.5

White


Tolerances of this Zirconiated wolfram Electrode


Diameter( mm )

Tolerance (mm)

Length (mm)

Φ0.30-2.0

0.05

50~1000 -1

Φ0.30-2.0

0.1


Related keywords: tungsten bars, Molybdenum barsWolfram Electrodesrefractory metal base composite materials, Tig Welding Electrodes, Tungsen contacts, Special shape part

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