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

[dsoutherland@xxxxxxxxxxxxxx]

On September 23, 2004 andrew hay wrote:

> i believe it wasn't until the '60s that an acceptable cast iron crank
> was even possible.  i'll bet gm's 'armasteel' first appears around
> then.  i wouldn't be surprised if it didn't come down to a new process
> for volume casting high-strength iron.
> 
 
ArmaSteel was developed in the 1930s. The process was very instrumental in rapid development of military equipment during WWII.  The ArmaSteel parts were 150% stronger and lasted twice as long as common grey cast iron.


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