2% thoriated tungsten electrode(WT20)

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Product
2% thoriated tungsten electrode(WT20)
Posting date : Dec 23, 2015
Membership
Free Member Scince Oct 30, 2014
FOB Price
Negotiable
Min. Order Quantity
100pcs
Supply Abillity
1000000pcs
Port
QIGNDAO
Payment Terms
T/T or L/C at sight
Package
10 pcs/plastic box , 20 boxes/inner ctn, 6 inner ctns/ctn
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Category
Contact
Rita
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Product Detail
Company Info
 
Quick Detail
Place of Origin
China [CN]
Brand Name
HUAYE
Model Number
WT20
HS-CODE
8311-10
Package & Delivery Lead Time
Package
10 pcs/plastic box , 20 boxes/inner ctn, 6 inner ctns/ctn
Delivery Lead Time
7 days after payment
Detailed Description
2% thoriated tungsten electrodes (AWS classification EWTh-2) contain a minimum of 97.30% tungsten and 1.70 to 2.20% thorium. They are the most commonly used electrodes today and are preferred for their longevity and ease of use. Thorium increases the electron emission qualities of the electrode, which improves arc starts and allows for a higher current carrying capacity. This electrode operates far below its melting temperature, which results in a considerably lower rate of consumption and eliminates arc wandering for greater stability. It also features a lower level of weld contamination than other electrodes.
Unlike pure tungsten, these electrodes are only for specialty type AC welding (thin gauge aluminum or materials less than .060-in.), but they are exceptional for DC electrode negative or straight polarity on carbon and stainless steel, nickel and titanium applications.
During manufacturing, thorium is evenly dispersed throughout the electrode. This evenness allows the electrode to maintain a sharpened edge—the ideal electrode shape for welding thin steel. Sharpening the electrode’s point, however, should be done with great care. Thorium is radioactive; therefore, you must always follow manufacture’s warnings, instructions and the MSDS (Material Safety Data Sheet) for its use.
 
Trade
mark
Added
impurity
Impurity
quantity
Other
impurities
 
Tungsten
Electric
discharged
power
Color
sign
WT20
ThO2
1.70 -2.20%
<0.20%
The rest
2.0 - 3.0
Red
 
Application : Thoriated tungsten electrodes are generally used for welding of DC electrode negative or straight polarity applications such as carbon & stainless steels, nickel alloys and titanium, They operate well even when overload with extra amperage.

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