Max Welding Heat Input For Aluminum
Max Welding Heat Input For Aluminum
(OP)
Can anyone suggest a maximum recommended welding heat input, in terms of kiloJoules per inch (or per cm), for aluminum in 5000 and 6000 series alloys such that we will minimize changes in chemistry or increased susceptibility to cracking or potential for stress corrosion.
Purpose is to back into welding variables (volts,amps, travel speed) from the recommended max heat input value and then proceed into a procedure qualification. Typical application will be for "as-welded" condition.
Thanks for any guidance offered.
Purpose is to back into welding variables (volts,amps, travel speed) from the recommended max heat input value and then proceed into a procedure qualification. Typical application will be for "as-welded" condition.
Thanks for any guidance offered.





RE: Max Welding Heat Input For Aluminum
I would give these folks a call or email directly, they are most helpful.
http://www.alcotec.com/
RE: Max Welding Heat Input For Aluminum
RE: Max Welding Heat Input For Aluminum
Anyhow, if you have enough specifics for aluminum experts like Alcotec, they might be able to provide you with some general guidelines or good practices, but I think you would be hard pressed to find any "rules".
RE: Max Welding Heat Input For Aluminum
I've posed my question to Alcotech before I posted here on Eng-Tips but have not heard back from them.
RE: Max Welding Heat Input For Aluminum
The problem with your question is that it is somewhat vague. In most cases, aluminum is pretty forgving, but, you don't specify grade, heat treated condition, thickness, etc. I think you'd be best contacting the folks noted above. Have you tried calling the toll free #?