Red Tips 20pcs Wt20 2.4mm*175mm Tungsten Electrodes Rod For Tig Welding 3/32"/7"

US $54.99

  • shenzhen, China
  • Jan 30th
 Red Tips 20pcs WT20 2.4mm*175mm tungsten electrodes rod for Tig Welding 3/32"/7" Main Features: 1.2% Thoriated Tungsten electrode 2.WT20 2.4mm*175mm 3.Ground finish quality 4.Pakage including: 20pcs 2.4*175mm WT20 tungsten electrode. 5.OEM service offered.   Introduction of 2% Thoriated Tungsten Electrode WT20 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. 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. Compared with other electrodes, thoriated electrodes deposit less tungsten into the weld puddle, so they cause less weld contamination.These electrodes are used mainly for specialty AC welding (such as thin-gauge aluminum and material less than 0.060 inch) and DC welding, either electrode negative or straight polarity, on carbon steel, stainless steel, nickel, and titanium.

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