berko Senior Member Joined May 24, 2012 Messages 954 Reaction score 1 Location germany Mar 19, 2015 #1 does anybody have first hand experience on that? i think ashi hamono tend to suggest the 59 hrc over the 61 hrc heat treatment and im wondering if that could make any sense.
does anybody have first hand experience on that? i think ashi hamono tend to suggest the 59 hrc over the 61 hrc heat treatment and im wondering if that could make any sense.
