23 Feb
2007
23 Feb
'07
4:05 p.m.
On 23 Feb 2007 at 23:11, Tony Duell wrote:
_BUT_ I don't know what alloy the brass is, but it
doesn't machine as
well as the 'CZ121' brass. Not a problem unless you intend to stick it on
the lathe.
I'm pretty certain that it's plain old C260 cartridge brass. It will
chatter and chip like crazy if you try machining it using a carbide
cutter. FWIW, around here, the K&S is the easiest to obtain thinwall
tube (0.014' wall). I've made French horn crooks from it and it
cold-works very nicely.
Cheers,
Chuck