Author Archives: DHWebSupport

When should I use 4043 and when should I use 5356?

Alloy 4043 is designed for welding 6xxx series aluminum alloys. It may also be used to weld 3xxx series alloys or 2xxx alloys. 4043 has a lower melting point and more fluidity than the 5xxx series filler alloys, and is preferred by most welders because it “wets and flows better” and it’s less sensitive to […]

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