Hobart MaxalTig 5356 description: 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 strength (38 ksi typical) - High ductility/fatigue strength/very high toughness - Moderate ductility/formability - Lower electrical conductivity and thermal conductivity - Higher column strength/better feedability - Very good color match after anodizing with 5xxx/6xxx base materials.