[TheForge] Re: Bricks- Light vs heavy

[Mike Porter]

Jeffrey,
In the industry they are called hard fire bricks and insulating fire bricks.
The rest of your questions you answered yourself.
Mikey

-----Original Message-----
From: theforge-bounces at mailman.qth.net
[mailto:theforge-bounces at mailman.qth.net] On Behalf Of Lynn Emrich
Sent: Tuesday, April 18, 2006 4:57 AM
To: Sponsored by ABANA
Subject: RE: [TheForge] Re: Bricks- Light vs heavy

Jeffery,
You just gave me a great idea. The heavy bricks would
be a great way to aneal high carbon steel. Just put
the steel between the heated bricks. Thanks!
Lynn


--- Jeffrey Polaski <jeff.polaski at rgs.uci.edu> wrote:

> I'm sure someone who actually knows can answer this,
> but the
> "insulating" bricks seem to be better *insulators*,
> so I imagine they
> loose heat the slowest. But they have less mass, so
> they cooler sooner
> than the heavy-duty ones.
> 
> The heavy-duty ones take a lot longer to heat up,
> and stay hot much
> longer. I can still feel heat from my forge for 8 --
> 12 hours or so when
> I use heavy-duty bricks. 
> 
> BTW, is there a better name for these bricks, other
> than "insulating"
> and heavy-duty? Is that clear to everyone? Is that
> the terminology
> people use when they talk about these things?
> 


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