[TheForge] Ed- heat treating S-7

[Andrew Vida]

On Wed, 27 Aug 2003 11:02:54 -0500, Dave Brown <quahog@tds.net> wrote:

> Tempering should be done as quickly as possible following the hardening 
> process.

	This cannot be over emphasized.  More so with S5, but also very
	true for S7.

> The factory specification for cold work is an Rc hardness of 55-57, for 
> hot work a Rc of 50-53 is suggested."

	As I recall, Crucible regards S7 as a superior shock resisting
	steel for hot work applications.  For cold work, S5 is more the
	ticket.