Here is some data from Bethlehem Steel a once Great Company.
AISI 1015, Fine Grain
T.S Y.S. Elon Red Hbn Izod
#/sq in #/sq/in % (2) % No FT. Lb.
As Rolled 61,000 45,000 39 61 126 81.5
As tested 73,000 46,000 32 71 149 91
.048 case with a 62RHc
!/2" Rd 106,250 60,000 13 33 217 50
1" Rd 75.500 44,000 30 69 156 85
The first two are test bars. The “as tested” is the standard .505" Rd test bar. The as rolled is a !’ dia Rd. This is all single heat data, but the mill run data shouldn’t vary very much.