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The aluminum alloy 4043 is recommended as a filler metal when resistance to salt water corrosion is required, especially when welding such aluminum alloys as 5052, 6061, and 6063. This datasheet provides information on key alloy metallurgy, and processing effects on tensile properties of this 4xxx series alloy.

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2019. "4043: Welding Filler Metal", Properties and Selection of Aluminum Alloys, Kevin Anderson, John Weritz, J. Gilbert Kaufman

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