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Annealing copper tube.

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mgj	22/08/2009 11:54:10
1017 forum posts 14 photos	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.
JasonB	22/08/2009 12:53:48
25215 forum posts 3105 photos 1 articles	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
Circlip	22/08/2009 16:16:13
1723 forum posts	Copper can be quenched Jason, Brass no. Regards Ian
mgj	22/08/2009 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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