[TheForge] Re: cold drawn steel

Mon Oct 20 19:11:01 2003

But isn't this just ordinary work hardeneing of the material?  

Charles

Scott Lane wrote:

>
>> Wouldn't heating it to critical temp undo any compaction?   I 
>> understand in as left the mill state the surface is compacted ( belt 
>> sand off one side of a cold rolled flat bar and let it sit for a 
>> while to see the effects) , but does the effect survive the forge?
>
>
>         I don't think just heating it to critical temp will undo 
> physical movement of the material.  It's not compacted through the 
> entire piece, just the surface.  Think of a plain M&M; hard shell with 
> softer inside...
>
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