SAE Standard Fatigue Data File format

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

# SAE8620 Q+T Simul. Carburized Core, Constant Ampl., Axial, HRc=41
# Gerdau Ht M27967 ElecFurnace VacDegas ConCast, Hot Roll to 15.2mm bar.
# Samples austenitized at 1700F 3.5hr. lowered to 1600F 40min, Quench 140F oil
# tempered at 350F to aim for HRC=42,  Bainite, %= 50 #Martensite, %= 50
# Chem.: 0.22wt%C .83Mn .006P .023S .25Si .20C .45Ni .50Cr
# .18Mo .003V .002Nb .027Al .0003Pb .002Ti .0007Ca .0002B .007Sn
# Inclusion Rating TypeA=2.0T 1.0H TypeB=0.5T 0.0H TypeC=0 TypeD=1.0T 0.5H
# ASTM grain size: Fine grain 5-8
# Tested by J.Lindsey U.Toledo 2010

#FileType= strain_life
#DataType= raw
#Name= SAE8620-Q+T
#Name= AISIit.121
#Name= Simul.Core
#Units= MPa
#Sy= 989.5
#Su= 1310.8
#E=  205000 average of initial loading.   Tensile test E=214000
#eu= 0.045 engr. strain at Su
#monotonic_K= 2275.7
#monotonic_n= 0.138
#MaterialForm= bar
#%RA= 52 %
#%Elongation= 26.9 % over 0.3 inch
#TrueFractureStress= 1711
#TrueFractureStrain= 0.736
#Hardness, Rockwell C= 41
#BHN= 381

#StrAmpl 2Nf StsAmpl So PlsStrAmpl Initial Emod
0.020020 312 1202 -12.6 0.014380 206000 #IGL
0.020000 322 1205 -13.8 0.014400 208000 #IGL
0.019980 608 1167 -12.5 0.014500 174000 #IGL ?modulus?
0.010000 1898 1080 -19.8 0.004940 203000 #IGL
0.010000 2146 1036 -22.4 0.005140 204000 #IGL
0.010000 3060 1005 -10.9 0.005290 185000 #IGL
0.004990 22708 841 27.4 0.001050 205000 #IGL
0.005000 23292 852 4.3 0.001010 207000 #IGL
0.004950 24902 842 4.2 0.001010 204000 #IGL
0.003500 141316 675 2.4 0.000340 205000 #IGL
0.003480 185206 689 2.4 0.000240 209000 #IGL
0.003480 351080 672 2.3 0.000330 197000 #IGL
0.003000 440318 606 1.8 0.000160 208000 #IGL
0.003000 495690 565 1.7 0.000350 206000 #IGL
0.003000 680440 602 1.8 0.000180 205000 #OGIT
0.002750 10000000 543 1.5 0.000210 207000 #IGL
0.002750 10000000 549 1.5 0.000180 205000 #Runout
0.002750 10000000 546 1.5 0.000190 205000 #Runout

#Electric Furnace= True
#Vacuum Degas= True
#Continuous Cast= True
#Bainite, %= 50
#Martensite, %= 50

#Carbon, %= 0.2200
#Manganese, %= 0.8300
#Phosphorus, %= 0.0060
#Sulfur, %= 0.0230
#Silicon, %= 0.2500
#Copper, %= 0.2000
#Nickel, %= 0.4500
#Chromium, %= 0.5000
#Molybdenum, %= 0.1800
#Vanadium, %= 0.0030
#Columbium/Niobium, %= 0.0020
#Aluminum, %= 0.0270
#Lead, %= 0.0003
#Titanium, %= 0.0020
#Calcium, %= 0.0007
#Zirconium, %= 0.0010
#Boron, %= 0.0002
#Tin, %= 0.0070
#
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