Tag: tig welding

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Shielding Gas Type Regarding TIG Welding Gas, Pure Argon is still the favorite when it comes to TIG Welding Aluminum, especially for thin applications (less than 1/2 inch). For thicker base metal (from 1/2 inch), using a mixture of Argon and Helium is highly recommended. The addition of [...]

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Unlike TIG Welding Cast Iron and other materials where DC is utilized, Alternating Current (AC) is the correct polarity to use for TIG Welding Aluminum.With AC, you get the continuous change in the electrode flow between EN (Electrode Negative) and EP (Electrode Positive): EN: provides heat to [...]