Aluminium Temper for Best Ni-Cr Coating: 6063,6061,6082,6005

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The discussion focuses on the best aluminum temper for Ni-Cr coating, with 6061 being highlighted as a strong candidate due to its good acceptance of coatings. Other options mentioned include 6063, 6082, and 6005, but their coating compatibility is less certain. A zincating dip is necessary for all compositions, and flash copper plating may be required based on surface quality. The user has had positive experiences with 6061-T6 in various applications, indicating it should perform well for coatings. Overall, 6061 is recommended for its reliability in accepting surface treatments.
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I would like to Know which aluminium temper will get the best coating of Ni-Cr, the options I have are: 6063,6061,6082,6005.

thanks
 
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You've listed a set of varying compositions, not tempers.

I almost positive that 6061 accepts coatings well. I'm not sure about the other compositions.

And no matter what the composition, a zincating dip will be required (and possibly a plating of flash copper, depending on surface quality).
 
I use 6061-T6 in a lot of general applications. I have never had a problem with it accepting a surface coating, but I can't remember off the top of my head if I have ever had to have something in aluminum chromed.

If you went with that alloy/temper combo, I don't think you would have any issues at all.
 

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