[SEL] Cast iron chemistry

[Bill Dickerson]

Wondering what this means, and if the nickel content is high...... Perhaps
compared to other blocks? Some say so.

Is it high compared to other cast iron?

http://i138.photobucket.com/albums/q259/ijwebb/forum/nickel.jpg

There's debates on if those numbers are typical.

I suspect our antiques are pretty ordinary in content......... And not all
that hard. Also wondering about heads/valves, etc.
Although I suspect those are hardened after the casting process as needed.


Bill 

-----Original Message-----
From: sel-bounces at lists.stationary-engine.com
[mailto:sel-bounces at lists.stationary-engine.com] On Behalf Of Jim Kirkes
Sent: Thursday, May 15, 2008 3:55 PM
To: The SEL email discussion list
Subject: Re: [SEL] Cast iron chemistry

OK I will stick my neck out a way.  Top quality CI will have a low carbon
content of 1% or so,  low grade CI will be up around 4%.  A lot of the other
types such as chilled, white, gray and meonite get their qualities from the
pour temperature, carbon content, and post pour heat treatment. 
This is a very simplistic explanation and as Peter says, get a book on the
subject.

Jim

Jim and Diane Kirkes
Hemet, California U.S.A.
jd.kirkes at verizon.net
----- Original Message -----
From: "Bill Dickerson" <bill at antique-engines.com>
To: "'The SEL email discussion list'" 
<sel at lists.stationary-engine.com>
Sent: Thursday, May 15, 2008 9:19 AM
Subject: [SEL] Cast iron chemistry



Can someone tell me the common content of cast iron used for 
various things.
Examples include:
The cast iron used on the old engine blocks and heads.
The cast used for the flywheels.
The cast used for auto engine blocks
The cast used for auto engine blocks in the 60s.
Were the heads cast using different chemistries?
What is "automotive gray cast iron"

Thanks.


Bill
Runnells, IA

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