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Manufacturing red color WT20 tungsten electrodes

2% Thoriated tungsten electrode, which is also known as WT electrode, contains a minimum of 97.30% tungsten and 1.70 to 2.20% Thoriated.

  • WT20
  • YUHENG
Diameter:
Length:

Thoriated tungsten electrodes (AWS classification EWTh-2) contain a minimum of 97.30% tungsten and 1.70 to 2.20 percent thorium and are called 2%thoriated.  It is widely used as an additive oxide electrode ,having much more advanced comprehensive welding performance than the properties of Pure Tungsten Electrode and other additive oxide electrodes. It can not be replaced by other oxide electrodes during the long use process. It can be operated easily and current load is high .Thoriated tungsten electrodes can produce arc easily and steadily ,and the gap of the  breaking arc is big ,loss less and long life .It has much higher recrystallizing temperature, much better conductivity and better mechanical cutting property .It is used for welding carbon steel, stainless steel, nickel alloy and titanium metal. It is the first selection material for high quality welding.


Parameters of Thoriated Tungsten Electrode


Type

Additives

Content

W%

Sing color

WT10

ThO2

0.90~1.20%

>98.4

Yellow

WT20

ThO2

1.80~2.20%

>97.5

Red

WT30

ThO2

2.80~3.20%

>96.5

Purple

WT40

ThO2

3.80~4.20%

>95.6

Orange


Tolerances of this Thoriated Tungsten Electrode


  Diameter (mm)

Tolerance (mm)

Length (mm)

Φ0.3-2.0

±0.05

50~1000 ±1

Φ3.0-12.0

±0.1

50~175 ±1


Advantages of Thoriated Tungsten Electrode

1. Lower electronic functions
2. Higher crystallization temperature
3. Better conductivity
4. Superior mechanical cutting performance



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

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