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Annealing copper tube.

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mgj22/08/2009 11:54:10
1017 forum posts
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This is just annealing copper tube so that a TE backhead can be plumbed in.
 
What is the process and when do I know its hot enough?
 
I have a torch and a small hearth, so getting it up to temperature shouldn't be a problem.
 
It's just the detail I need please.
JasonB22/08/2009 12:53:48
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Heat until it just glows a dark red then allow to cool naturally - no quenching. Best not to do this in bright sunlight as it can be hard to see the beginnings of the red glow.
 
Jason
Circlip22/08/2009 16:16:13
1524 forum posts
Copper can be quenched Jason, Brass no.
 
  Regards  Ian
mgj22/08/2009 18:41:08
1017 forum posts
14 photos
Thank you. Just never had to do copper before. It's just to take out any work hardening from the process.M.

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