#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
#
# CartridgeBrass Alloy-C26000 SpringTemper Su=662mpa=96ksi 
# Chem.: wt% 70.1Cu 29.9Zn .02Fe .01Pb
# Spring temper= 2x(Roll+Anneal)+final Roll to 0.040inch thick
# Reversed cantilever bend test, load control, multi-spec Scovill mach.
# WARNING!!: Assume fully elastic behavior, Emod from copper.org.
# Ref.: W.D.France, D.E.Trout, J.A.Mulholland, "Fatigue Characteristics 
# Ref.: of Five Copper-Base Strip Alloys Commonly Used for Spring 
# Ref.: Applications", ASTM J.of Materials, V4 N3 1969, pp.633-646.
# More info in paper and at https://copper.org
# Data digitized from plots may contain errors.

#FileType= strain_life  #Load control! assume elastic
#DataType= raw
#TIMEcol= 0
#NAME= CartridgeBrass260
#NAME= SpringTemper
#NAME= C26000

#Stress_units= mpa
#Strain_units= strain

#Sy= 455 mpa 
#Su= 662 mpa 
#eu= 0   #not reported
#E=  110300.  #From https://copper.org
#%RA=  0 % # Not reported
#%Elongation= 3.  % in 2inch
#TrueFractureStress= 0  Not reported
#TrueFractureStrain= 0
#BHN=  0  #not reported

#StrAmpl  2Nf  StsAmpl So PlsStrAmpl  Emod
0.00293   1167840  323  0  0  110300
0.00293   1257640  323  0  0  110300
0.00293   1385140  323  0  0  110300
0.00264   1529660  291  0  0  110300
0.00264   1734320  291  0  0  110300
0.00260   1813440  287  0  0  110300
0.00224   2656140  248  0  0  110300
0.00228   2945640  251  0  0  110300
0.00225   3170800  248  0  0  110300
0.00200   3934200  221  0  0  110300
0.00200   4318800  220  0  0  110300
0.00200   4803200  221  0  0  110300
0.00183   9574200  202  0  0  110300
0.00183  10243600  202  0  0  110300
0.00175  13893800  193  0  0  110300
0.00175  15955800  193  0  0  110300
0.00175  18923800  193  0  0  110300
0.00169  21096200  186  0  0  110300
0.00169  27468200  186  0  0  110300
0.00169  29962200  186  0  0  110300
0.00164  40788000  181  0  0  110300
0.00164  61780000  181  0  0  110300
0.00163  71864000  180  0  0  110300
0.00161 128238000  177  0  0  110300
0.00158 150574000  174  0  0  110300
0.00161 169136000  177  0  0  110300
0.00154 200000000  170  0  0  110300 #runout
0.00157 200000000  173  0  0  110300 #runout
0.00161 200000000  177  0  0  110300 #runout
#