#SAE Standard Data File format

# #SAE Standard Data File format # #

Pick one: #FDE_plot #FDE_fit # #
The FD+E standard file goes below. Use browser "VIEW Source" file to download: #

#<pre>
#Copyright (C) 2025  Fatigue Design + Evaluation Committee of the SAE
#This data file is free software; you can redistribute it and/or
#modify it under the terms of the GNU General Public License as
#published by the Free Software Foundation; either version 2 of the
#license, or (at your option) any later version.
#This data file is distributed in the hope that it will be useful,
#but WITHOUT ANY WARRANTY; without even the implied warranty of
#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#GNU General PUblic License for more details.
#You should have received a copy of the GNU General PUblic License
#along with this program; if not, write to the Free Software
#Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
#Try also their web site: http://www.gnu.org/copyleft/gpl.html
#
# SAE1045H+V Forged Bar MicroAlloy Su=845 257BHN
# Chem.: wt% 0.49C .98Mn .27Si .02Al .09V
# Forged bar 30mm diam, as received.  25mm gauge length
# Tensile has upper yield point
# Ref.: V.Subramanya, K.A.Padmanabhan, "Low cycle fatigue
# Ref.: behaviour of a medium carbon microalloyed steel",
# Ref.: Int.J.Fatigue, V19 N2, 1997 pp.135-140
# Data digitized from plots may contain errors.

#FileType= strain_life  
#DataType= raw
#TIMEcol= 0
#NAME= SAE1045H+V 
#NAME= 49MnVS3
#NAME= ForgedSteel
#Stress_units= mpa
#Strain_units= strain

#Sy=   530 mpa 
#Su=   845 mpa 
#eu=   0   #Engr. strain at Su Not reported
#E=   195000.  #Estimated from elasStrain and Stress
#%RA=  43 %
#%Elongation= 15 % 
#TrueFractureStress= 0  Not reported
#TrueFractureStrain= 0.56
#BHN=  257  #converted from Su.=123ksi

#StrAmpl  2Nf  StsAmpl  So  PlsStrAmpl  Emod
0.01103    974   630   0   0.00747   195000
0.01004   1262   604   0   0.00650   195000
0.00802   1701   572   0   0.00484   195000
0.00606   3126   532   0   0.00302   195000
0.00507   7066   514   0   0.00215   195000
0.00404  15173   485   0   0.00135   195000
0.00355  19053   467   0   0.00100   195000
#