Pure Tungsten (Color Code: Green) … Thoriated (Color Code: Red) … Ceriated (Color Code: Orange) … Lanthanated (Color Code: Gold) … Zirconiated (Color Code: Brown) … Rare Earth (Color Code: Gray) … Tungsten Preparation — Balled, Pointed, or Truncated?
What color tungsten is for stainless steel?
What color Tungsten should be used for stainless steel? The thoriated red electrode is ideal for stainless steel welds. It provides the optimal heat generation, bead formation, and weld penetration to give smoother welds.
What type of tungsten is yellow?
Thoriated (EWTh-1 Yellow Stripe Electrode Classifications: Yellow Stripe; and EWTh-2 Electrode Classifications: Red Stripe) Thoriated tungsten contains thorium oxide (ThO2 or thoria), and it is the most commonly used tungsten in America.
What type of tungsten is GREY?
EWCe-2 tungsten electrode is currently color-coded with a gray band, although in the past it was color-coded with an orange band. It is quite similar to EWLa-2 in that it has excellent current carrying ability, excellent arc starting ability, and can last through many different arc start and arc termination cycles.What color tungsten is purple?
CompositionEN-ClassificationColour CodeTungsten E3 PurpleWGLA 15Purple
What is yellow tungsten used for?
1.5% Lanthanated (Gold) The gold lanthanated tungsten electrodes contain less lanthanum than their blue counterparts and are best used in DC applications. They are best for welds with titanium alloys, copper alloys, nickel alloys, and non-corroding steel.
What is purple tungsten used for?
Rare Earth (Purple) Electrodes It is the perfect substitute for red thoriated electrodes. They perform well in DC applications and are great for welding copper alloys, nickel alloys, titanium alloys, and stainless steel.
What is GREY TIG tungsten?
Grey electrodes perform well in DC applications and are great for welding titanium, copper, magnesium, aluminum, and nickel alloys, as well as non-corroding and stainless steels.What color tungsten is best for aluminum?
If you are AC TIG welding aluminum for the first time we would suggest using a 2% ceriated in 3/32. Two solid options include Blue Demon or Weldcraft. Ceriated is the most popular choice due to the easy arc start at low amperages.
Can you weld aluminum with GREY tungsten?Use a pure tungsten or zirconiated tungsten electrode when AC welding aluminum. Don’t use a 2 percent thoriated tungsten electrode. Make sure you use a tungsten electrode large enough in diameter to carry the welding current you plan to use.
Article first time published onWhat is orange tungsten for?
Thoriated tungsten is the most commonly used in the United States. This tungsten is used primarily in DC welding. It has a low work function and provides a high load and amperage capability.
What color tip does pure tungsten have?
Electrode materialColor codePure tungstenGreenThoriatedRedCeriatedOrangeLanthanatedGold
What is E3 tungsten?
E3 Tungsten are electrodes with rare earth mixed oxides. Compared to thoriated electrodes, E3 is less harmful to the environment and not radioactive. E3 Electrode Features and Benefits: Excellent ignition and consistent welding properties. … Reliable and usable for automated welding.
What is tungsten texture?
Tungsten is a very hard, dense, silvery-white, lustrous metal that tarnishes in air, forming a protective oxide coating. In powder form tungsten is gray. The metal has the highest melting point of all metals, and at temperatures over 1650 oC also has the highest tensile strength.
Can I use green tungsten for steel?
Why use green, pure tungsten electrodes? They work well on AC sine wave welding and form a solid balled tip that results in a stable arc. … Since it can weld carbon steel, stainless steel, nickel alloys, and titanium, some welders have found that it works well as a replacement for thoriated electrodes.
Why is tungsten Thoriated?
Thoriated tungsten electrodes are widely used because they make good welds and are long lasting and quite easy to use. … Other reasons for their use include easier arc initiation, reduced weld metal contamination, higher current- carrying capacity, the ability to sharpen the electrode, and long life.
What is white tungsten?
Tungsten by itself is a grayish powdery metal. It cannot be made into a ring unless it is combined with carbon, forming tungsten carbide. … They can be plated with platinum group metals to make them have the same color as platinum. These types of tungsten rings are called white tungsten rings.
Can tungsten be radioactive?
The Thorium used in 2% thoriated tungsten is a radioactive element and therefore can be dangerous to the health of those exposed to it and to the environment.
Why does my tungsten split?
the main cause of the splitting is getting the end too hot when sharpening it. you never want it to get red hot. cool it in water during sharpening if needed. the 3\32 tungsten is ok if welding aluminum you want to use 100% not 2% thoriated like on stainless.
What is the smallest tungsten?
Number of Pieces1BrandMidwest Tungsten ServiceMaterialTungstenPackage TypeStandard Packaging
How many amps can a 3 32 Tungsten handle?
3/32″ is good from about 65 – 200 amps. And 1/8″ 2% thoriated electrodes are good in the 85 – 300 amp range.
How many amps can 1/8 Tungsten handle?
TIG WeldingCurrent Ranges for Tungsten Electrodes – (Argon Shielding Gas)1/8250-40025-405/32400-50040-553/16500-75055-801/4750-100080-125
What color is TIG tungsten?
The main colors/varieties of TIG electrodes and their American Welding Society abbreviation are as follows: Green (EWP) = Pure Tungsten, Orange (EWCe-2) = 2% Ceriated, Red (EWTh-2) = 2% Thoriated, Gold (EWLa-1.5) = 1.5% Lanthanated, Brown (EWZr-1) = 1% Zirconiated.
