Copper works the opposite, it gets soft when heated and suddenly cooled.

Paul

----- Original Message -----
From: "Mike Collum" <collum@VERIZON.NET>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Thursday, December 27, 2007 9:59 AM
Subject: Re: seeking source for copper crush washers

> Wouldn't dropping them into water "Temper" them ... making them really
> hard?
>
> Mike
>
>
>
> Mike S wrote:
>> At 10:13 AM 12/27/2007, Allan Streib wrote...
>>> I need an M14 and M16 sized copper crush washer to reconnect the low
>>> and high side fittings on my new power steering rack.  The one web
>>> site I found that lists them does not process orders for less than
>>> $25.
>>
>> How bad are the old ones? If I'm not mistaken, they're solid copper,
>> not the type of crush washer which is thin copper formed around some
>> gasket material. If they're not too beat up, you can reuse solid copper
>> washers by sanding them smooth. Rub them on some fine grit emery cloth
>> sitting on a flat surface (piece of float glass or ???). Then anneal
>> them by heating them with a torch, and dropping them into a glass of
>> water. That will soften them up, making them seal properly.
>>
>
>
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