Welding Red Seal Certification

AAC electrode types, air jet function, power source requirements, polarity settings, safety PPE, and defect prevention.

Advanced AAC applications, polarity for mild steel, air jet positioning, groove width control, and electrode stickout.

Copper-coated electrode functions, AAC vs OFC comparisons, inverter power sources, PAC power systems, and filter lens selection.

Porosity, undercut, incomplete fusion, overlap, crater cracks, solidification cracking, lamellar tearing, and HAZ characteristics.

SMAW flux purpose, electrode classification (E6010, E7018), low hydrogen storage, arc striking, electrode angles, and positional welding.

GMAW advantages, shielding gases, transfer modes, voltage effects, CTWD, gun angles, spatter control, and FCAW-S applications.

GTAW current types for aluminum, shielding gas flow rates, tungsten electrode selection, helium vs argon, stainless steel and galvanized steel welding.

Preheating, interpass temperature, PWHT, carbon equivalent, HAZ hardness limits, joint types, backing strips, and welder qualification.

AWS weld symbols, fillet weld throat measurement, NDE methods, penetrant testing, WPS documentation, duty cycle, OFC flame settings, and positional techniques.