[modeleng] Re: Bonkers stainless

Maybe Incoloy? See http://www.painc.com/incoloy%20800.htm


> -----Original Message-----
> From: modeleng-bounce@xxxxxxxxxxxxx [mailto:modeleng-bounce@xxxxxxxxxxxxx]
> On Behalf Of Chris Crosskey
> Sent: Wednesday, March 14, 2007 1:00 PM
> To: modeleng@xxxxxxxxxxxxx
> Subject: [modeleng] Bonkers stainless
> 
> Hi folks.... I'm trying to work out what the expletive I spent last
> night blunting college tools on... it's stainless steel (it's not
> titanium, I've worked with titanium and it's not usually this bad, plus
> this stuff is too heavy for titanium, about right for steel), weirdly it
> is magnetic (most stainless I've ever played with isn't), and it is as
> tough as old boots, really at the limits for HSS, even carbide needs to
> be slowed down a bit unless you want to see sparks coming off it.... Any
> ideas what sort of grade it is?.... it took me two and a half hours to
> cut four bits about 4 inch by inch and threequarters by 3/8 out of a big
> bar that's lots x 3 1/2 x 3/8.... Ie a handful of cuts... the
> carbide-toothed blade on the hacksaw that cut it off the original bar
> handled it OK but slowly, the HSS slitsaw I use in a horizontal mill
> (Adcock and Shipley) to chop the first two bits down to half their width
> had a terrible time , ended up using four cuts on each of them..... It
> got fished out of a skip at a local nuke research lab (we've got lots
> near Oxford) if that helps.....and I have run a Geiger over it :-))
> chrisc
> 
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