Indalco Alloy 4043 description:
KEY FEATURES
Designed for welding heat-treatable base alloys and including 6XXX series alloys
Lower melting point and more fluidity than 5XXX series filler alloys
Low sensitivity to weld cracking with 6XXX series base alloys
General purpose filler alloy and one of the most widely used welding and brazing alloys
Excellent when aesthetics are of importance
Not recommended for material to be anodized
SHIELDING GAS
100% Argon
Argon/Helium Mixtures
Flow Rate: 30-50 CFH (14.2 – 23.6 L/min)