Hobart Filler Metals

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Aluminum – MIG/TIG

As a premium filler metal solution, Hobart Aluminum is supported and manufactured by a team with decades of expertise in aluminum filler metals. It’s produced from a state-of-the-art facility, entirely built around aluminum wire production.

Hobart® MaxalMig® 4043

4043 filler metal is a popular aluminum/silicon filler alloy for general purpose welding applications. Features/Benefits: ‑ Moderate strength (28 ksi typical) ‑ Low melting temperature/high fluidity ‑ Low welding smut and discoloration ‑ Low ductility, for ...

Hobart® MaxalMig® 4047

Common applications for 4047 are for thin sections where the higher fluidity and lower shrinkage rate are important for distortion control. 4047 is also used in applications where excellent wetting action for joint sealing of pressurized fluids and gases i ...

Hobart® MaxalMig® 4943

Alloy 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 ...

Hobart® MaxalMig® 5183

5183 filler metal is the most common aluminum/magnesium alloy for welding 5083 base metal in ship building applications. 5183 has higher strength values than 5356 with excellent salt water corrosion resistance when welded to 5083. Features/Benefits: ‑ Very ...

Hobart® MaxalMig® 5356

5356 filler metal is the most common aluminum/magnesium alloy for general purpose welding and is typically used in the construction industry in fabricating truck trailers, small fishing boats, and in cryogenic applications. Features/Benefits: ‑ High streng ...

Hobart® MaxalMig® 5554

5554 filler metal is the most common aluminum/magnesium alloy for welding 5454 base metal where sustained elevated temperatures above 150 degrees F are experienced. Features/Benefits: ‑ Moderate strength (33 ksi typical) ‑ Most common 5xxx filler alloy for ...

Hobart® MaxalMig® 5556

Higher strength filler metal than 5183 and is designed for welding structures where maximum as welded transverse ultimate tensile strength (UTS) and shear strength values are required. Features/Benefits: ‑ Very high strength (42 ksi typical) ‑ High ductili ...