Re: AMC Pistons; Forged have downsides too , Cast has advantages ...

[dsoutherland@xxxxxxxxxxxxxx]

One more time.  "ARMASTEEL" is a trade name, not a definition of the material or the manufacturing process.  The crankshafts marked "ARMASTEEL" are pearlitic cast IRON, also known as nodular iron.  It is a superior product than grey cast iron, but cast iron nevertheless.

See the article on this link :  
http://www.moderncasting.com/archive/feature_050_03.asp

Dwight Southerland


On September 24, 2004 Frank Swygert wrote:

> Andrew, those cranks were still CAST steel, not forged though. Forged retains a lot more strength due to hammering the grain structure of the steel more densely.


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