Tungsten electrode species

Grade

Color sign

Application

Thorium tungsten electrode

WT20

red

It has the most widely application, mainly for the welding of titanium, copper, carbon steel, stainless steel and other materials (with slight radioactivity)

Cerium tungsten electrode

WC20

grey

It is mostly used in low current DC conditions, mainly applied in carbon steel, copper, titanium, stainless steel, etc.

Pure tungsten electrode

WP

green

It is mainly used for welding aluminum, magnesium, aluminum alloy, magnesium alloy, etc. (its welding conditions requirement is relatively lower)

zirconium tungsten electrode

WZ8

white

It is mainly employed in the welding of aluminum and aluminum alloys

Yttrium tungsten electrode

WY

blue

It is mainly used in military and aerospace

Silver tungsten electrode

-

-

It is mainly used in aerospace, metallurgy, high temperature resistance materials and microelectronics,etc.

Composite tungsten electrode

WRex

-

It is mainly applied in metallurgy, machinery and so on.

Lanthanum tungsten electrode

WL20/

WL15/

WL10

gold / sky blue / black

It has a wide range of applications, and mainly used for welding copper, aluminum, aluminum alloy, carbon steel, stainless steel, titanium, etc.