[Healeys] Copper washers.

[Guy R Day]

I think this page talks our language, covers what we need to know and how to 
do it.

http://www.motorcycle.co.uk/Reference-material/Annealling-Copper---Aluminium-washers.aspx


All the best

Guy R Day


----- Original Message ----- 
From: "John Rowe" <jarowe at westnet.com.au>
To: "Simon Lachlan" <simon.lachlan at homecall.co.uk>
Cc: "Healey List" <healeys at autox.team.net>
Sent: Tuesday, November 24, 2009 11:44 AM
Subject: Re: [Healeys] Copper washers.


> Hi Simon
>
>
> Don't quench in water or oil or anything.
>
> Quenching makes any metal go hard or brittle etc.
>
> To anneal just heat to cherry red and allow to cool in the ambient 
> temperature.
>
> It will then become soft and malleable.
>
> Trust me, plumbers do that all the time here in WA as the water piping is 
> required to be cold drawn, ie hard and stiff, and to expand the pipe to 
> make a joint the pipe requires annealing.
>
> cheers from WA
>
> John
>
>
> ----- Original Message ----- 
> From: "Simon Lachlan" <simon.lachlan at homecall.co.uk>
> To: "'Healeys'" <healeys at autox.team.net>
> Sent: Tuesday, November 24, 2009 2:45 PM
> Subject: [Healeys] Copper washers.
>
>
>>I need a copper washer. So, I've got a box of new ones of various sizes. 
>>All the wrong sizes.
>> I've got a box of sundry old flat washers amongst which is an old copper
>> washer of the right size. But it's old and has presumably ceased being 
>> soft and malleable.
>> I'm not even sure that I can even spell "annealing" at this time of 
>> night,
>> but isn't it the process by which one applies heat to restore metal's
>> previous malleability? Do I heat it cherry red and then quench it in 
>> water
>> or is it oil or what?
>>
>> It's a lot to ask for one copper washer, but a)my daughter* pinches my 
>> daily
>> tintop to go to work so I can't go and buy one and b) I like to know 
>> these things.
>> *If she can't use my car, she can't earn enough to buy her own car! I'm 
>> going to pay half, but she's got to learn!
>> Simon