• Red Thoriated TIG Tungsten Electrodes | Midwest Tungsten

    The 2% thoriated tig welding tungsten electrode is America's favorite electrode for a reason. Extremely long lasting and highly durable, these electrodes are a staple in DC welding applications. ... (Red, WT20) Tungsten Electrodes 10-Pack Midwest Tungsten Service. $21.79 ... Warning This product can expose you to chemicals including thorium ...

  • Vacuum tube - Wikipedia

    In electronics, a vacuum tube, an electron tube, or valve (British usage) or, colloquially, a tube (North America), is a device that controls electric current flow in a high vacuum between electrodes to which an electric potential difference has been applied.. The type known as a thermionic tube or thermionic valve uses the phenomenon of thermionic emission of electrons from a heated cathode ...

  • Welding Rods or Electrodes containing Thorium

    provides dose estimates for the potential inhalation of thorium when using thoriated tungsten electrodes for TIG welding as measured by Ludwig et al. (1999). The estimated doses, assuming welding was performed for 1000 hours in a year with no local exhaust, were 0.02 rem (0.4% of the occupational dose limit) per year for direct

  • Thorium Containing Welding Rod (1990s)

    Thorium Containing Welding Rod (1990s) General. These thoriated "welding rods" are really electrodes of the type used in tungsten inert gas (TIG) welding. The rod is consumed during use, but it does not act as a filler that binds two pieces of metal together.

  • Tungsten Electrodes - weldcotemetals.com

    thorium containing electrodes. Tungsten-Thorium Oxide alloys are generally safe to handle during use under all normal conditions and environments. However, special precautions must be taken during the grinding or machining of tips of electrodes that contain Thorium Oxide to avoid the generation and subsequent inhalation and

  • Thoriated Tungsten - American Welding Society

    Jul 31, 2001· The Radioactivity Problem 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. It is an alpha emitter, however when it is inside a tungsten electrode rod, it is enclosed in a tungsten matrix and so there is little radiation emitted externally.

  • TUNGSTEN GUIDEBOOK - Tungsten Electrodes

    tungsten electrode at 1.0 ampere up to high speed tube mills welding with a .250 diameter tungsten electrode using current as high as 600 amperes. A precise yet consistent electrode will have a dramatic effect in weld results and tungsten electrode life. Cutting the tungsten electrode is usually required if the electrode is grossly contaminated.

  • definitions (29 CFR 1910.1200). Only large quantities of thoriated tungsten electrodes may pose a radioactive hazard, and the most serious hazards identified in this Section II relate only to thoriated tungsten electrodes. Thorium dioxide is subject to the reporting requirements of Section 313 of Title III of the Superfund Amendments and

  • Electrodes Thoriated | eBay

    2% Thoriated Tungsten Electrodes for TIG Welding (Red, WT20). Patriot Tungsten is a quality tungsten provider dedicated to value and service. Used primarily in …

  • TUNGSTEN ELECTRODES - CBL-welding

    electrodes available that can be used as shielding gases are used. alternatives to pure Tungsten electrodes for AC welding and Thorium alloy Tungsten All AC tests were carried out on a electrodes for DC welding (the latter give Migatronic Commander with the following off a little radioactivity during grinding). settings:

  • Welding Rods Plexus-NSD

    The addition of thorium to this tungsten product results in easier arc starting, greater arc stability, reduced weld metal contamination, higher current-carrying capacity, and a longer electrode lifetime. So do all welding rods contain thorium? No. There are non-radioactive alternatives available.

  • Use of Tungsten Welding Rods Containing Thorium

    Tungsten welding rods, typically containing one or two percent by weight of naturally radioactive thorium oxide (hereafter referred to as thoriated tungsten welding rods), are widely used in industry.

  • 2% Thoriated Tungsten Electrodes - Grainger Industrial Supply

    Grainger carries tungsten electrodes to help you meet your TIG welding needs. Welding electrodes from Grainger can help weld stainless steel, mild steel and more. Choose TIG electrodes with the size, material and quantity specifications that can meet your welding application. Shop Grainger today for tungsten electrodes to help you get the job done!

  • Tungsten Electrode - Thorium tungsten electrode, Pure ...

    Tungsten Electrode for TIG welding: Tungsten electrodes are used when arc welding with the Tungsten Inert gas (TIG) process or when plasma welding. In both processes the electrode, arc and weld pool are protected from atmospheric contamination by an inert gas.

  • TIG Tuesday: How to Choose TIG Welding Tungsten?

    Feb 26, 2019· Red Thoriated TIG Welding Electrodes are among the most commonly used electrodes because the 2% thorium mixed with the tungsten is durable and versatile. Welders can grind the tip of these electrodes to a sharp point and enjoy and stable arc that last a long time.

  • thorium tungsten electrode tig welding - alibaba.com

    Alibaba.com offers 310 thorium tungsten electrode tig welding products. About 2% of these are other welding & soldering supplies, 1% are welding wires. A wide variety of thorium tungsten electrode tig welding options are available to you, such as free samples.

  • Pro-Fusion: Thoriated Tungsten Radioactivity

    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. It is an alpha emitter, however when it is inside a tungsten electrode rod, it is enclosed in a tungsten matrix and …

  • The use of thoriated tungsten electrodes - TWI

    Mar 07, 2006· Thoriated tungsten electrodes (AWS classification EWTh-2) contain a minimum of 97.30 percent tungsten and 1.70 to 2.20 percent thorium and are called 2 percent thoriated. They are the most commonly used electrodes today and are preferred for their longevity and ease of use.

  • Why tungsten electrodes are mixed with thorium and ...

    Oct 25, 2015· here is your answer. i have added pure tungsten because these 3 electrodes are the most commonly used for tig welding. i use thoriated for carbon and stainless steels. i find that the pure tungsten "spits off " the balled end at a lower temp than...

  • TEN-HIGH TIG Tungsten Electrodes, Thorium 2%, WT20(Red ...

    TEN-HIGH TIG Tungsten Electrodes, Thorium 2%, WT20(Red) Thorium Tungsten Electrode, 1.0mm x150mm 10pcs pack. - -

  • Amplify™ 2% Thoriated - Red Tip™ - Arc-Zone

    A-EWTh-2 (select size from drop down menu above) Amplify™ Brand High-performance, 2% Thoriated Tungsten Electrodes. Description: This formula is a popular general purpose electrode due to the excellent arc behavior and good tip life; however, this is a radioactive formula. Vapors, grinding dust and disposal of thorium dioxide raise health, safety and

  • Thoriated Tungsten Electrodes -Thoriated Tungsten ...

    Thoriated tungsten electrodes are electrodes made of tungsten and thoria by different proportion and the most widely used ones are 2% thoriated tungsten electrodes. Thorium increases the electron emission qualities of the electrode, which improves arc starts and …

  • Thoriated Electrodes - Welding Tips and Tricks

    Thoriated electrodes may not ball up evenly but they carry much more amperage without taking a tungsten dump in your weld. That often means using one size smaller electrode and that is a very good thing. The Radioactive thoriated electrodes scare

  • What is the effect of Thorium addition and other elements ...

    What is the effect of Thorium addition and other elements added to Tungsten in GTAW welding? ... 1.5% lanthanated tungsten electrodes have excellent arc starting, low-burn-off rate, good arc ...

  • Thorium dioxide - Wikipedia

    Thorium dioxide is used as a stabilizer in tungsten electrodes in TIG welding, electron tubes, and aircraft engines. As an alloy, thoriated tungsten metal is not easily deformed because the high-fusion material thoria augments the high-temperature mechanical properties, and thorium helps stimulate the emission of electrons .

  • 2% Thoriated Tungsten Discontinued ... - Tungsten Electrodes

    Has 2% Thoriated Tungsten Been Discontinued? To make a long story short, the answer is no. Thoriated tungsten is readily available from many companies including DGP. Thoriated tungsten has been in the news a lot over the past few months, in some cases, for all the wrong reasons.

  • 10-pk TIG Welding Tungsten Electrode .040 1/16 3/32 1/8 5 ...

    2% thoriated tungsten electrodes (AWS classification EWTh-2) contain a minimum of 97.30% tungsten and 1.70 to 2.20% thorium. Thorium increases the electron emission qualities of the electrode, which improves arc starts and allows for a higher current carrying capacity.

  • Lanthanated vs. Thoriated tungsten - Miller Welding ...

    Thoriated Tungsten Electrodes. Originally posted by tasslehawf View Post. Thoriated is also slightly radioactive and is being phased out last I remember. They emit alpha radiation when being ground. None is emitted while welding. A simple dust mask can prevent inhilation hazards when preparing tungsten on …

  • 10Pcs 2 Percent Thoriated WT20 TIG Tungsten Electrode ...

    Make sure this fits by entering your model number.; Description: 10Pcs 2% Thoriated WT20 TIG Tungsten Electrode Assorted Size 1/16" & 3/32" Features: Thorium tungsten electrode containing thorium oxide (Th02 or thorium oxide) Performance in many ways superior to pure tungsten electrodes.

  • SAFETY DATA SHEET (SDS) - mscdirect.com

    during welding. Among the electrodes, only large quantities of thoriated tungsten electrodes may pose a radioactive hazard, and the most serious hazards identified in this Section II relate only to thoriated tungsten electrodes. Thorium dioxide is subject to the reporting requirements of Section 313 of Title III