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Welding AL 6061-T6 to B390 Die Casting Alloy

Welding AL 6061-T6 to B390 Die Casting Alloy

Welding AL 6061-T6 to B390 Die Casting Alloy

(OP)
Anyone know the best filler metal alloy for this combination? GTAW.

RE: Welding AL 6061-T6 to B390 Die Casting Alloy

4043 unless you need the joint to the 6061 part to be post-weld heat treated, then 4643. You know that the die casting is full of porosity, and the welds likely will be terrible, right?

RE: Welding AL 6061-T6 to B390 Die Casting Alloy

Unless it is a vacuum die casting (remote possibility)...

RE: Welding AL 6061-T6 to B390 Die Casting Alloy

(OP)
Thanks guys! I'm welding some square tubing to a die cast part. Not my ideal solution but it isn't highly loaded so this should work.

RE: Welding AL 6061-T6 to B390 Die Casting Alloy

Not to hijack the thread but, Cory have you had experience with vacuum die-casting making a substantial difference in the quality of welds?

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