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+--- Thread: What is the difference between 4043 and 5356 aluminum? (/showthread.php?tid=85564)
What is the difference between 4043 and 5356 aluminum? - toyota1515 - 01-18-2023
As a basic description, we can say that 4043 is an aluminum filler alloy with 5% silicon added and that 5356 is an aluminum filler alloy with 5% magnesium added. There are some misconceptions within the industry that you can successfully weld any aluminum base alloy with either 4043 or 5356 filler alloy.