What is the proper welding procedure (MIG vs. TIG) for 16-gauge stainless steel duct?

TIG (GTAW): Preferred for high-end visible commercial kitchen layouts because it provides ultimate control, ultra-clean welds, and minimal distortion on thin 16-gauge stainless steel using an argon gas shield.

['TIG (GTAW): Preferred for high-end visible commercial kitchen layouts because it provides ultimate control, ultra-clean welds, and minimal distortion on thin 16-gauge stainless steel using an argon gas shield.', 'MIG (GMAW): Used for faster production speeds on long commercial runs using a matching stainless wire and a 98% Argon / 2% CO 2 gas mix.', 'Rule: All welds must be continuous, external liquid-tight welds creating a seamless structural bond.']

Stop if

• Use this as training guidance. The foreman, approved drawings, project specs, manufacturer installation instructions, employer safety policy, and AHJ/code requirements always control the final answer.

Steps

• Stop and verify the approved detail, manufacturer instructions, foreman direction, and project specs before touching it.

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