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Hobart® MaxalMig® 4943 filler metal was formulated to be welded with the same weld procedure specifications as 4043 and 4643, and does not depend upon dilution from the base metal during welding to increase the strength of the weld deposit, while maintaining the same weld characteristics and benefits of 4043 and 4643.
Features
Moderate/high strength (33 ksi typical)
Low melting temperature/high fluidity
Low welding smut and discoloration
Low ductility, formability, and lower toughness (similar to 4043)
Moderate electrical conductivity and thermal conductivity
Post weld fully heat treatable requiring no base metal dilution
Excellent corrosion resistance
Low shrinkage rate/reduced distortion
Low hot cracking sensitivity in most applications
Specifications
AWS A5.10
AWS A5.3
Applications
Current 4043 and 4643 applications, welding 1xxx, 3xxx, 5xxx with less than 2.5% Mg (example 5052) and 6xxx series base metals
Post weld age, post weld heat treat and age applications
