Anybody remember the temp for heat treating h-13,S-7, 4140
I thought for H-13 the temp was 1750 for 4 hr min and 1 hr for ever inch.
I do not rember the temp for the draws I'm looking to get approx 46/48 rc.
1150 1st, 1130 2nd, 1100 3rd,???
for the S-7 ??????????