SAE Standard Fatigue Data File format

#SAE Standard Fatigue Data File format #
Pick one: #FDE_plot #FDE_fit # #

# SAE1538MV as Hot-Rolled,  AISI Iter. 131,   HRc=30
# NOTE! : Periodic Overload tests.   Axial specimen tests.
# Gerdau Ht. 3M74155 ElecFurn, VacDegas, LadleRefine, RotaryCast 
# Hot Rolled 120mm bar, Specimens cut from As-HotRolled bar.
# Chem.: 0.38wt%C 1.40Mn .015P .058S .56Si .14Cu .08Ni .16Cr .02Mo
# .092V .002Nb .004Al .001Ti .0008Ca .008Sn 148ppm_N 1.9ppm_H2
# 75%Pearlite, 25%Ferrite. See fatigue Report for Micros.
# Inclusion Rating TypeA= 2.50, B=0.25, C=0, D=0.50
# Note! POL test had 1000 pre-cycle at Overload level before POL test
# Tested by Z.Lopez UoToledo, 2012

#FileType= strain_life
#DataType= raw
#Name= SAE1538MV
#Name= AsHotRolled
#Name= AisiIt.132
#Units= MPa
#Sy= 650.3
#Su= 973.4
#E= 197000 average of initial loadings, Tensile E=193200
#eu= 0.10 approx. from partial Tensile curve
#monotonic_K= 1480.2
#monotonic_n= 0.142
#MaterialForm= bar
#%RA= 28.3 %
#%Elongation= 24.9 %
#TrueFractureStress= 1039
#TrueFtractureStrain= 0.333
#BHN= 285

#StrAmpl 2Nf StsAmpl So PlsStrAmpl initialEmod
0.02001 246 893 -10 0.01538 190100
0.02008 256 859 -11 0.01563 191700
0.02007 292 917 -11 0.01532 202600
0.0100 1386 756 -8 0.00607 194700
0.0100 1432 802 -7 0.00587 210900
0.00993 1624 742 -9 0.00609 197900
0.00493 6986 650 3 0.00156 202600
0.00504 8338 660 -6 0.00162 206000
0.0050 12446 658 -3 0.00159 187900
#0.0035 23820 594 29 0.00042 206000 #Not used for POL file
#0.0035 50088 576 5 0.00052 183800
#0.0035 74982 575 -36 0.00052 189800
#0.0025 304336 500 1 0 197000
#0.0025 531938 499 2 0 197000
#0.0025 842082 500 1 0 197000
#0.0020 7672044 400 1 0 197000
#0.0020 10000000 390 1 0 197000 #runout
#0.00175 10000000 338 1 0 197000 #runout
#Data above is from Const Ampl Iter.131
#A # in 1st char comments out the line.

#Data below is Iter.132 POL tests
0.00200 45468 386 229 0 197000
0.00200 69566 386 228 0 197000
0.00200 69986 386 229 0 197000
0.00125 165022 244 370 0 197000
0.00125 251054 244 370 0 197000
0.00125 623142 244 370 0 197000
0.00100 466292 195 419 0 197000
0.00100 961412 195 419 0 197000
0.00075 1845868 146 468 0 197000
0.00075 2417816 146 468 0 197000

#Carbon, %= 0.38
#Manganese, %= 1.40
#Phosphorus, %= 0.015
#Sulfur, %= 0.058
#Silicon, %= 0.56
#Copper, %= 0.14
#Nickel, %= 0.08
#Chromium, %= 0.16
#Molybdenum, %= 0.02
#Vanadium, %= 0.092
#Columbium/Niobium, %= 0.002
#Aluminum, %= 0.0040
#Titanium, %= 0.0010
#Calcium, %= 0.0008
#Boron, %= 0.0001
#Tin, %= 0.0080
#Nitrogen, ppm= 148
#Other= 1.9 ppm H2
#
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