N Nebulae Joined Aug 24, 2009 Messages 1,260 Sep 29, 2009 #21 + 1x10^676823.1432 :thumbup: Cpm m4 is still really tough (28ft-lb charpy C, and 5129 Mpa) at 63.5Hrc
+ 1x10^676823.1432 :thumbup: Cpm m4 is still really tough (28ft-lb charpy C, and 5129 Mpa) at 63.5Hrc