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产品名称:WZr8 0.8% Zirconiated tungsten electrodes for Tig Welding
Type:WZr8
Dioxide:ZrO2
Dioxide in(%):0.70-0.90
Impurities(%):<0.20
Color mark:White
Diameter:1.0mm--12.0mm
Length:150mm&175mm

WZr8 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.

 

Model

Intermingled materials

Intermingled
Quantity%

Other Intermingled
Quantity%

Tungsten

Color standard

WZr3

ZrO2

0.20-0.40

<0.20

Remainder

Brown

WZr8

ZrO2

0.70-0.90

<0.20

Remainder

White

 

 

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