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Tungsten Electrodes
- May 03, 2017 -

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The characteristics of the tungsten electrode, tungsten making it very suitable for welding and other similar tig electrode materials such work. tungsten electrodes,including pure tungsten electrode,lanthanated tungsten electrodes,thoriated tungsten electrode,yttrium tungsten electrode,zirconiated tungsten electrodes.


Type

Brand

Color

Chemical   Composition(%)

Sizes (mm)

Surface

Features

Rare Earth

Impurities

W

Pure Tungsten

HW11

Green

≤0.05

the rest

0.8~15

D,E G,S

Non-radioactive;suitable for AC welding of aluminum, magnesium, and their alloy

Thoriated   Tungsten

HWTh10

Yellow

0.9~1.1ThO2

≤0.05

the rest

0.8~15

D,E G,S

Excellent   electron emission and overall performances;high current-carrying   capacity;radioactivity;suitable for DC welding of carbon steel,stainless   steel,nickel alloy and titanium alloy.

HWTh20

Red

1.8~2.2ThO2

≤0.05

the rest

0.8~15

Cerium Tungsten

HWCe10

Pink

0.8~1.2CeO2

≤0.05

the rest

0.8~15

D,E G,S

Non-radioactive;easier   arc initiation under low current circumstances,and low arc-maintaining   current;suitable for the welding of pipelines,small components and   discontinuous welding.

HWCe15

Orange

1.3~1.7CeO2

≤0.05

the rest

0.8~15

HWCe20

Grey

1.8~2.2CeO2

≤0.05

the rest

0.8~15

Yttrium   Tungsten

HWY20

Sky Blue

1.8~2.2Y2O3

≤0.05

the rest

0.8~15

D,E G,S

Non-radioactive;long   and slim arc beam with high compression;deeper burning groove under medium   and high current circumstances.

Compound Rare Earth Tungsten

HWMX

Cyan

1.0~5.0MOx

≤0.05

the rest

0.8~15

D,E G,S

Compound rare-earthtungsten electrode;different additives contributing to better   performance of tungsten electrode

 

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