Selecting the correct tungsten electrode directly affects arc stability, weld appearance, and electrode life. 3/32″ 2% thoriated (WT20/EWTh-2) is a long-time standard for DC TIG welding on steel and stainless. Here’s what matters before you buy. Key Takeaways Where to Buy Disclosure: As an Amazon Associate, Weld Support Parts earns from qualifying purchases. Why 3/32″ … Continue reading TIG Welding Tungsten Electrodes 3/32″ (WT20 Red Tip) – Specs, Safety & Buying Guide