mmgemini Posted February 27, 2012 Share Posted February 27, 2012 Normally I do the usual trick of putting soap onto aluminium and heating until the soap goes black. Yep that's fine for a one off. I have quite a few bits to do. So Does anybody know the actual temperature that the aluminium needs to be taken to to anneal it ? Quote Link to comment Share on other sites More sharing options...
Jon White Posted February 27, 2012 Share Posted February 27, 2012 Depends on the grade of aluminium. For example - for 1100 the proper annealing temperature is 650F, for 3003, 775F, and for 5052 it is 650F. Jon Quote Link to comment Share on other sites More sharing options...
mmgemini Posted February 27, 2012 Author Share Posted February 27, 2012 I've got it as 5082 T6 Does that mean anything to you Jon ? Quote Link to comment Share on other sites More sharing options...
longlandy Posted February 27, 2012 Share Posted February 27, 2012 I just black it with a acetylene flame the burn off,quite a quick process.Wouldnt even attempt that with some grades though! Quote Link to comment Share on other sites More sharing options...
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