SAE Standard Fatigue Data File format

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

# SAE4320 Simul. Carburized Core,  AISI Iter.147    HRc= 30.4
# Note!: Periodic Overload tests
# Gerdau Ht.M28431 ElecFurn. VacDegas ConCast HotRoll 22.9mm bar
# 60%Bainite, 30%Martensite, 10%Ferrite
# Original Chem.: 0.19wt%C .62Mn .007P .025S .24Si .16Cu 1.76Ni
# 0.50Cr .25Mo .004V .002Nb .028Al .0005Pb .002Ti .01Cobalt .0001B 
# 0Zr .007Sn 15ppm_O 61ppm_N
# Inclusion Rating: TypeA=1.0T 0.5H TypeB=1.0T 0.0H TypeC=0 TypeD=1.0T 0.5H
# Short life tests from CA Iter.123,  Long life are POL tests.
# Tested by UoWaterloo 2011

#FileType= strain_life
#DataType= raw
#Name= SAE4320
#Name= AISIit.147
#Name= SimulCore
#Units= MPa
#Sy= 745  
#Su= 1010
#eu= 0.032 engr. strain at Su
#E= 194300
#monotonic_K= 1219
#monotonic_n= 0.058
#MaterialForm= bar
#%Elongation= 11.3 % ? seems too low.
#%RA= 57 %
#TrueFractureStress= 1984
#TrueFractureStrain= .846
#FailureDef= 50% load drop
#Hardness, Rockwell C= 30.4
#BHN= 289

#StrAmpl 2Nf StsAmpl So PlsStrAmpl Emod
#0.010080 1106 763 0.0 0.006020 194300 #None
#0.008630 1878 676 0.0 0.005040 194300 #None
#0.008080 3764 706 0.0 0.004340 194300 #None
#0.006420 5508 705 0.0 0.002700 194300 #None
#0.007030 5700 686 0.0 0.003400 194300 #None
#0.006170 10880 641 0.0 0.002780 194300 #None
#0.005400 12500 630 0.0 0.002090 194300 #None
#0.004750 24948 604 0.0 0.001580 194300 #None
#0.004270 42760 605 0.0 0.001090 194300 #None
#0.003710 89462 570 0.0 0.000730 194300 #None
#0.003080 201438 529 0.0 0.000310 194300 #None
#0.002850 377226 517 0.0 0.000140 194300 #None
#0.002800 818692 505 0.0 0.000150 194300 #None
#0.002780 985868 497 0.0 0.000190 194300 #None
#0.002730 1124582 492 0.0 0.000160 194300 #None
#0.002740 3608952 523 0.0 0.000000 194300 #None
#0.002730 9639036 492 0.0 0.000160 194300 #None
#0.002570 20000000 466 0.0 0.000130 194300 #Runout
#0.002690 20000000 473 0.0 0.000210 194300 #Runout
#Tests above are Const. Ampl. from Iter.123
#Comment lines begin with "#"

#Below are Periodic Overload tests.
#Mean stress and plastic strains were not reported.
0.00162 3135406 312 0 0 194300
0.00118 14801794 227 0 0 194300
0.00125 14166910 241 0 0 194300
0.00177 2475380 340 0 0 194300
0.00140 5719056 269 0 0 194300
0.00155 9063722 297 0 0 194300
0.00133 5752198 255 0 0 194300
0.00184 1728936 354 0 0 194300
0.00199 1413692 382 0 0 194300
0.00214 1117428 411 0 0 194300
0.00155 9216964 297 0 0 194300


#Carbon %= 0.19
#Manganese %= 0.62
#Phosphorus %= 0.0070
#Sulfur %= 0.025
#Silicon %= 0.24
#Copper %= 0.16
#Nickel %= 1.76
#Chromium %= 0.50
#Molybdenum %= 0.25
#Vanadium %= 0.004
#Columbium/Niobium %= 0.0020
#Aluminum %= 0.0280
#Lead %= 0.0005
#Titanium %= 0.0020
#Calcium %= 0.0006
#Cobalt %= 0.008
#Zirconium %= 0.0020
#Boron %= 0.0001
#Tin %= 0.0070
#Oxygen ppm= 15.
#Nitrogen ppm= 61.
#
#