• Wl20 Tungsten Electrode 2% Thoriated Tungsten Electrodes (WT20) for Welding Material
  • Wl20 Tungsten Electrode 2% Thoriated Tungsten Electrodes (WT20) for Welding Material
  • Wl20 Tungsten Electrode 2% Thoriated Tungsten Electrodes (WT20) for Welding Material
  • Wl20 Tungsten Electrode 2% Thoriated Tungsten Electrodes (WT20) for Welding Material
  • Wl20 Tungsten Electrode 2% Thoriated Tungsten Electrodes (WT20) for Welding Material
  • Wl20 Tungsten Electrode 2% Thoriated Tungsten Electrodes (WT20) for Welding Material

Wl20 Tungsten Electrode 2% Thoriated Tungsten Electrodes (WT20) for Welding Material

Application: Aviation, Electronics, Industrial, Medical, Chemical
Standard: GB, DIN, ASTM
Purity: >99.95%
Alloy: Alloy
Shape: Welding Electrode
Type: Tungsten Electrode
Samples:
US$ 4.0/Piece 1 Piece(Min.Order)
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Basic Info.

Model NO.
WT, WL
Diameter
1.6mm, 2.0mm, 2.4mm
Use
Low Current DC Welding, Welding of Small Parts
Certificate
ISO9001
Doping Amount
1.80~2.20%
Transport Package
Wooden Boxes, Individually Packed Inside
Specification
150mm/175mm
Trademark
Luoyang Combat
Origin
Luoyang, Henan, China
HS Code
85159000
Production Capacity
5000pieces/Month

Product Description

Wl20 Tungsten Electrode 2% Thoriated Tungsten Electrodes (WT20) for Welding Material
Wl20 Tungsten Electrode 2% Thoriated Tungsten Electrodes (WT20) for Welding Material
Wl20 Tungsten Electrode 2% Thoriated Tungsten Electrodes (WT20) for Welding Material

Packing: Plastic boxes
Model No.: WT20
Productivity: 500, 000, 000 PCS/year
Unit Price/Payment: T/T
Origin: Henan, China
Min. Order: 1000 PCS
Assistant Appliance: Arc-Protection Helmet
Type: CO2 Gas Protection Welding
Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, MID East, Eastern Asia, Western Europe

Product Description:
The most common electrode used today. 2% Thoriated Tungsten Electrodes or WT20 contain a nominal 2 wt-% of thorium oxide (ThO2) which is evenly dispersed throughout the entire length of each rod. Offers excellent resistance from weld pool contamination, a stable ARC and easy starting capabilities. Generally used on DC electrodes negative or straight polarity.

Principally used on: Carbon steels, Stainless Steels, Nickel, Nickel Alloys, Titanium, Copper Alloys
Tip Electrode End Color: Red



Wl20 Tungsten Electrode 2% Thoriated Tungsten Electrodes (WT20) for Welding Material
Wl20 Tungsten Electrode 2% Thoriated Tungsten Electrodes (WT20) for Welding Material

Related Product information
Lanthanum- tungsten electrode has become the most favored electrode material globally, especially for the type with 1.5% of lanthanated tungsten.
Proven by scientific research, the electric conduction of 1.5% of lanthanated tungsten works as almost efficient as 2.0% of lanthanated tungsten. Therefore, welders are capable of changing electrodes easily instead of adjusting specification of the device.
The year of 1998 witnessed an famous experiment in whicn 2.0% thorium tungsten electrode, 2.0% cerium tungsten electrode and 1.5% lanthanated tungsten electrode provided by two manufacturers were tested through welding on the site with respectively 70 amperes, 150 amperes and 300 volt DC electricity. The test result showed that the 1.5% lanthanated tungsten electrode performed outstandingly under both situations and its low rate of buring also caught eyes.
The lanthanated tungsten electrode is also suitable for AC welding.
   product brand           Tensileweld/OEM
   Product color           Sky blue
   product material           Tungsten / Tungsten Alloy
   Advantage Better mechanical cutting performance * Better creep resistance * High recrystallization temperature * Good ductility.

Cerium-Tungsten Electrode WC20

1.Cerium-Tungsten Electrode
Item Code Oxide Addictive Impurities Content% Tungsten Content% Color Standard Standard
WL20 Varieties Content%
La2O3 1.80-2.20 <0.2 Bal. Sky Blue ISO6848
AWS A5.12M

2.Selection of Tungsten Electrode
Diameter of Electrode Normal Direct
Current
Opposite Direct
Current
Dissymmetrical Alternating Current Symmetrical Alternating Current
In inch mm WP WTh WP WTh
0.020 0.5 5-20 -- 5-15 5-20 10-20 5-20
0.040 1.0 15-18 -- 10-60 15-80 20-30 20-60
0.060 1.6 70-15 10-20 50-100 70-150 30-80 60-120
0.093 2.4 150-250 15-30 100-160 140-235 60-130 100-180
0.125 3.2 250-400 25-40 150-210 225-325 100-180 160-250
0.156 4.0 400-500 40-55 100-275 300-400 160-240 200-320
0.187 4.8 500-750 55-80 250-350 400-500 190-300 290-390
0.250 6.4 750-1000 80-125 325-450 500-630 250-400 340-525

3.Electrode Type & Polarity Depending On The Welded Material     
                       1best                                                   2better                                                                            3not recommended
Materical Electrode Type DC AC
Neg. Pos.
  Alumium(width<2.5mm)   WL15.WP.WZ8 2 2 1
  Alumium(width>2.5mm)   WL15.WP.WZ8 2 -- 1
  Alumium Alloys   WL15.WP.WZ8 2 -- 1
  Magnesium         WP -- 2 1
  Magnesium Alloys         WP -- 2 1
  Carbon Steel   WL15.WC20.WT20 1 -- --
  Stainless Steel   WL15.WC20.WT20 1 -- --
  Alumium Bronze         WP 1 -- --
  Silicon Bronze   WL15.WC20.WT20 1 -- 2
  Nickel & Alloys         WP 2 -- 1
  Cooper   WL15.WC20.WT20 1 -- --
  Bronze   WL15.WC20.WT20 1 -- 2
  Titanium   WL15.WC20.WT20 1 -- 2

Technical Data
Model Oxide Addictive Impurities
Content%
Tungsten
Content%
Color
Standard
Standard
Varieties Content%
WL10 La2O3 0.80-1.20 <0.2 Balance Black ISO 6848
AWS 5.12M
WL15 La2O3 1.30-1.70 <0.2 Balance Golden
WL20 La2O3 1.80-2.20 <0.2 Balance Sky Blue

Lanthanum Tungsten Electrode is well known its good welding performance. It is the electrode added with 1-2% of LaO, The power of its electronic transgression is 2.7-2.8ev. Bearing the closest features to those of thorium-Tungsten Electrode. Its arc features and burn spoilage endurance are better when used in small or medium currents condition.
Lanthanum-Tungsten Electrode is the most promising substitution product of thorium-tungsten electrode because of its nonradiation. Its another advantage is the endurance of high current but low burn spoilage rate.
Wl20 Tungsten Electrode 2% Thoriated Tungsten Electrodes (WT20) for Welding Material
Wl20 Tungsten Electrode 2% Thoriated Tungsten Electrodes (WT20) for Welding Material
Wl20 Tungsten Electrode 2% Thoriated Tungsten Electrodes (WT20) for Welding Material
Wl20 Tungsten Electrode 2% Thoriated Tungsten Electrodes (WT20) for Welding Material
FAQ
Q: what is the size of your tungsten products?
A:For tungsten wire, the diameter is from 0.008mm~3.2mm.
For tungsten rod, the diameter is from 2mm~100mm, length is from 50mm~2000mm.
For tungsten sheet, the thickness is from 0.05mm~2mm,  the width is from 50mm~600mm, the max length is 600mm.
For tungsten plate, the thickness is from 2.1~25mm, the width is from 30mm~600mm, the max length is 600mm.
For tungsten boat, the thickness is from 0.2mm~0.5nn, the width is from 5mm~25mm, the max length is 100mm.
For tungsten tube, the diameter is from 25mm~340mm, the max length is 650mm.
For tungsten crucible,the diameter is from 10mm~500mm, the height is from 10mm~750mm, the thickness is from 2mm~20mm.

Q: what is the surface of your tungsten products?
A:For tungsten wire,  we have graphite black surface,  alkali cleaning surface,  electric polished surface.
For tungsten rod,  we have balck surface and polished surface.
For tungsten sheet,  we have alkali cleaning surface and bright surface.
For tungsten plate,  we have polished surface.
For tungsten boat, we have alkali cleaning surface.
Foe tungsten tube, we have machined surface.
For tungsten crucible, we have machined surface.

Q: What is the normal use environment of pure tungsten products? How many degrees of high temperature can tungsten withstand?
A: Normally, pure tungsten products can be used in the high temperature vacuum environment, so that they can exert their superior high temperature performance. If it is used in air condition under the high temperature of over 400 degrees, tungsten will react with oxygen and produce WO2. Because the melting point of tungsten is 3410 degrees, it can withstand up to 3300 degrees. But its normal working temperature is 1800~2600 degrees.

Q:What is the thinnest tungsten sheet?
We can achieve the thinnest thickness of 0.025mm, and only a few factories in China can achieve this thickness.

Q: what is the properties of tungsten heavy alloy?
A:(1)High density: 17-18.5g/cc;
(2) High hardness and high strength;
(3) High thermal conductivity and low coefficient of thermal expansion;
(4) Good electrical and thermal conductivity;
(5) Excellent machining performance;
(6) Absorption capacity for X-rays and gamma rays;
(7) For W-Ni-Cu tungsten heavy alloy, it is non-magnetic.

Q:Can you produce WL20 tungsten electrode as per our physical properties and chemical composition requirements?
A:Regarding WL20 tungsten electrode products, The standard we generally implement is ISO 6848-2004. We can also produce customized products. If you have special requirements for physical properties and chemical composition, please send them to us, our technical staff will evaluate your requirements.

How long is the service life of your tungsten crucible?
Usually it is about half a year to a year. In addition, the service life also depends on your use environment and temperature. If the contact temperature is too high, it will affect the service life of the crucible.
We will recommend suitable material & sizes for you according to your requirements.

Q:What are the types or grades of tungsten copper alloy?
A:According to different chemical composition content, divide into different product grade levels: For example, if the tungsten content is 70 percent and the copper content is 30 percent, we will call the grade name W70Cu30.  And so on, we have W75Cu25, W80Cu20,W90Cu10 etc.
All types of tungsten copper alloys vary in density, hardness, electrical conductivity, bending strength and other aspect. 

Q: What are the advantages of your tungsten copper alloy products?
A:High quality products, the most preferential lowest price, strong productivity and supply capacity, quality after-sales service.


Q: What's the best selling of Tungsten Copper alloy items?
A:We often export W50/Cu50, W75/Cu25n W70/Cu30, W80/Cu20, W90/Cu10. Also can customized according to your detail requirements.

Q:What is the normal average grain size of tungsten and molybdenum targets we supply?
A:For tungsten target, average grain size is less than 100μm normally between 50~60μm;
For molybdenum target, average grain size is less than 50μm.



 

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