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Heat Treatment After Welding A356.0

Heat Treatment After Welding A356.0

Heat Treatment After Welding A356.0

(OP)
Howdy all,

I have a cast aluminum part that is A356.0 which MMPDS-01 indicates is weldable.  I'm trying to determine if a post weld stress relief is needed and if so what it should be.  This is for a light to moderately stressed aircraft part that is secondary structure (a cast duct).  If someone could help with this I would appreciate it, or if you could provide a source of information that explains what does and what does not need post weld stress relief that would be even better.  I seem to struggle everytime I need to design a repair for something using a welding process because I don't have a single source to go to for all the small yet critical details that go into a succesful weld.

Thanks,

-Kirby

Kirby Wilkerson

Remember, first define the problem, then solve it.

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