SAE Standard Fatigue Data File format

#SAE Standard Fatigue Data File format #
Pick one: #FDE_plot #FDE_fit # #
#
# SAE4140 Q+T .012 Sulfur, Const.Ampl. tests Transvers, HRc=42.5
# Forged then Quenched from 1550F into 150F Oil, Temp 750F
# MacSteel Ht.M17300 ElecFurn, ConCast, Normalized 1650, Forged 2150 82% REDUC.
# Chem.: 0.41wt%C .94Mn .01P .021S .28Si .17Cu .15Ni 1.01Cr
# 0.22Mo .028Al .010Sn 94ppm_N  100%Martensite
# Inclus.: TypeA 0.5T OH, TypeB 0T OH, TypeC 0T 0H,  TypeD(glob.) 1.0T 1.0H
# Test:  N.Cyril, UoToledo 2007

#FileType= strain_life
#DataType= raw
#Name= SAE4140
#Name= AisiIt_117+80
#Stress_units= MPa
#Strain_units= strain
#Sy= 1290.7
#Su= 1380.4
#E= 209420 avrg of 10 initial.  Reported 206400 from tensile.
#eu= 0.042 engr. strain at Su
#monotonic_K= 1628.5
#monotonic_n= 0.038
#LowerYield= 1282.2
#UpperYield= 1287.9
#FractureStrain= 26.9
#FractureStress= 1385.
#%RA= 23.6 %
#%Elongation- 23 % over 0.3inch gauge.
#MaterialForm= bar
#FailureDef= 50% load drop
#BHN= 394
#Hardness, Rockwell C= 42.5

#StrAmp  2Nf StsAmp  So CalcPlasStr InitialModulus
0.0199 166 1197 -19.8 0.01406 210000 #IGL
0.0199 200 1184 -19.0 0.01414 210000 #IGL
0.0100 700 1057 -16.2 0.00488 213000 #IGL
0.0100 1490 988 -12.3 0.00518 214000 #IGL
0.0100 1732 978 -11.2 0.00521 207000 #IGL
0.0064 4564 894 -1.7 0.00211 210000 #IGL
0.0050 11054 865 46.8 0.00080 207000 #IGL
0.0049 12850 840 27.0 0.00087 210000 #IGL
0.0050 16194 858 -50.1 0.00083 207000 #IGL
0.0038 52070 776 0.0 0.00000 209420 #IGL avg E
0.0038 58158 776 0.0 0.00000 209420 #IGL avg E
0.0038 64596 776 0.0 0.00000 208000 #IGL
0.0033 100142 672 0.0 0.00000 209420 #IGL avg E
0.0033 116410 672 0.0 0.00000 209420 #IGL avg E
0.0033 193972 672 0.0 0.00000 209420 #IGL avg E
0.0028 2808070 569 0.0 0.00000 209420 #IGL avg E
0.0028 10000000 563 0.0 0.00000 209420 #Runout
#Electric Furnace= True
#Continuous Cast= True
#Martensite, %= 100

#Carbon, %= 0.41
#Manganese, %= 0.94
#Phosphorus, %= 0.01
#Sulfur, %= 0.012
#Silicon, %= 0.28
#Copper, %= 0.17
#Nickel, %= 0.15
#Chromium, %= 1.01
#Molybdenum, %= 0.22
#Aluminum, %= 0.028
#Tin, %= 0.010
#Nitrogen, ppm= 94
#Here is the bottom part of the html  graph/calc wrapper-----------
#
#