GTAW 2G Welding procedure specification Application code AS1554.1:2004 Material 1 Various Welding process GTAW Material 2 Groups Joint type Single vee butt Thickness 4.8–9 mm Position Diameter 80–150 NB 2G Thermal conditions Welding technique/Preparation Min preheat Nil above 10 °C Preparation method Machine, flame cut and/or grind Method Flame (propane) if required Gouge method N/A Temp. check Digital temp. crayons Interpass cleaning Grind and/or wire brush Arc energy Max 1.92 Kj/mm Max bead width 5 x electrode diameter Max interpass temp. 220 °C Electrical out N/A PWHT None Shielding gas flow 8–12 L/min Purge gas flow N/A Ref Consumable brand Consumable classification Consumable treatment A Comweld LW1 AWS Stored dry B Welding grade argon 99.99% Ar Weld details Electrode/ Flux Welding parameters Travel Filler Pass Process Side Pos Dir Ref Size Or Gas Pol Amps Volts (mm/min) 1 GTAW 1 2G A 2.4 B DC– 105 11 70 2–4 GTAW 1 2G A 2.4 B DC– 120 12 80 Notes 1. Visual inspection to comply with AS1554.1:2004 SP Category Table 6.2. 2. Number of passes may vary according to thickness. Approved Approved client Release stamp
GTAW 2G Welding procedure specification Application code Welding process Joint type Position AS1554.1:2004 GTAW Single vee butt 2G Material 1 Material 2 Thickness Diameter Various Groups 4.8–9 mm 80–150 NB Thermal conditions Welding technique/Preparation Min preheat Method Temp. check Arc energy Max interpass temp. PWHT Nil above 10 °C Flame (propane) if required Digital temp. crayons Max 1.92 Kj/mm 220 °C None Preparation method Gouge method Interpass cleaning Max bead width Electrical out Shielding gas flow Purge gas flow Machine, flame cut and/or grind N/A Grind and/or wire brush 5 x electrode diameter N/A 8–12 L/min N/A Ref Consumable brand Consumable classification Consumable treatment A B Comweld LW1 Welding grade argon AWS 99.99% Ar Stored dry Weld details Electrode/ Filler Flux Welding parameters Travel Pass Process Side Pos Dir Ref Size Or Gas Pol Amps Volts (mm/min) 1 2–4 GTAW GTAW 1 1 2G 2G A A 2.4 2.4 B B DC– DC– 105 120 11 12 70 80 Notes 1. Visual inspection to comply with AS1554.1:2004 SP Category Table 6.2. 2. Number of passes may vary according to thickness. Approved Approved client Release stamp