Re: [ihc] Annealing copper

[bearbvd@xxxxxxxxxxxxxx (Greg Hermann)]

At 12:05 PM 10/24/04, John Hofstetter wrote:
>On Oct 22, 2004, at 7:05 PM, Greg Hermann wrote:
>
>> Only way i know to HARDEN copper/brass is via work hardening,
>> cold-working--rolling, etc.
>>
>> Greg
>
>Greg,
>
>I giggled at your use, or misuse of the zeros in your post. 9000
>degrees probably would do more than anneal the brass,

Don't think I did the zeros wrong !! What I did do was use
'shift-command-asterisk' key combo to get the little superscript circle
that's the symbol for degrees---at least it is in the font I type in on the
Mac.

Who knows what the ASCII might have spit out on your end---

Greg


 I would think.
>Sizing the necks of cartridge cases and then having them expand when
>the cartridge is fired, hardens the brass to the point where it cracks
>when being sized, or shot, rather than just accepting the size change.
>
>However, that raises a question. If I get a lot of pleasure from
>shooting, and if my wife thinks I only do it for pleasure, is the brass
>work hardened, or play hardened?
>
>John
>
>John Hofstetter
>Ol' Saline
>www.goldrush.com/~hofs