[TheForge] To ring or not to ring[was anvil i d]

[wmullett at bright.net]

Mikey,

Chilled faces were developed by James Oliver for improving cast plow shares. From the following site: "A chill is a metal mold or portion of a mold in which molten metal is cooled rapidly and the surface of the metal is hardened. By using an iron "chill" in a portion of the sand mold, Oliver produced a hard surface on the cast- iron plowshare, the cutting edge of the plow blade. The resulting plowshare retained its sharp cutting edge much better than traditional plows, and the cast iron was less brittle than usual because the interior portion of the iron cooled slowly."

http://www.centerforhistory.org/ocpw.html

Walt
From: "Mike Porter" <michael.a.porter at comcast.net>
Date: Thu Apr 27, 4:00 AM
To: "'Sponsored by ABANA'" <theforge at mailman.qth.net>
Subject: RE: [TheForge] To ring or not to ring[was anvil i d]

Cast iron can be very hard, but I don't understand the term "chilled face."
Could you please explain it?
Mikey 

-----Original Message-----
From: theforge-bounces at mailman.qth.net
[mailto:theforge-bounces at mailman.qth.net] On Behalf Of Hochewa at aol.com
Sent: Wednesday, April 26, 2006 6:52 PM
To: theforge at mailman.qth.net
Subject: Re: [TheForge] To ring or not to ring[was anvil i d]

To All,
I have two types of anvils; ones that are steel and ones that are cast
iron. 
 The steel ones ring like a bell, so to speak and the iron ones  don't.  The
cast iron ones that are gray iron all the way through, i.e.,  cheap, are
dead and lifeless.  I have one with a chilled face that is  harder than any
of my steel anvils and has an excellent rebound even though it  goes thud
when you hit it.  Striking on the horn does make a feeble  ring.
They all have their own personalities.
 
Hochewa
 
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