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Category - GTAW

7
May

Q&A About Aluminum welding

  Q: What shielding gas is most appropriate for arc welding aluminum? I’ve received differing recommendations – some say to use pure argon while others suggest helium is better. I plan to use both gas metal arc welding (GMAW) and gas tungsten arc welding (GTAW) processes. Can I use the same shielding gas for each …