[Shop-talk] Annealing Copper bars

[Pat Horne]

Maybe you’re right & I’m wrong! Wouldn’t be the first time. 

Peace,
Pat

Pat Horne 
We support Habitat for Humanity


On Aug 8, 2020, at 9:33 AM, Bob Spidell <bspidell at comcast.net> wrote:

Well snap. I've been doing it wrong all these years I've reused copper, mostly on sealing washers for oil pan plugs.

Thanks for the reply.
Bob


> On 8/8/2020 7:21 AM, Pat Horne wrote:
> I thought quenching made the metal less soft.
> 
> Annealing requires slow cooling.
> 
> Peace,
> Pat
> 
> Pat Horne
> We support Habitat for Humanity
> 
> 
> On Aug 8, 2020, at 9:18 AM, Bob Spidell <bspidell at comcast.net> wrote:
> 
>  Question for the List: Is it proper to quench--in water, presumably, or oil maybe--copper to achieve softness after it's been heated 'cherry red?'
> 
> Bob
>