SAE Standard Fatigue Data File format

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

# SAE4320 Simul. Carburized Core, Axial, AISI Iter.146    HRc= 29
# Note! : Periodic Overload tests at long lives.
# Gerdau Ht.M28431 ElecFurn. VacDegas ConCast HotRoll 30.5mm 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
# Mean stress was not reported. 
# Tested by UoWaterloo 2011

#FileType= strain_life
#DataType= raw
#Name= SAE4320
#Name= AISIit.146
#Name= SimulCore
#Units= MPa
#Sy= 620.5
#Su= 905.0
#eu= 0.035 engr. strain at Su
#E= 194200
#monotonic_K= 1158.0
#monotonic_n= 0.076
#MaterialForm= bar
#%Elongation= 11 %
#%RA= 59.2 %
#TrueFractureStress= 1966
#TrueFractureStrain= .896
#FailureDef= 50% load drop
#Hardness, Rockwell C= 29.2
#BHN= 277

#StrAmpl 2Nf StsAmpl So PlsStrAmpl. Emod
#0.010690 2416 688 0.0 0.007080 194200 #None
#0.008040 3512 678 0.0 0.004500 194200 #None
#0.006950 5188 618 0.0 0.003720 194200 #None
#0.005340 11748 559 0.0 0.002420 194200 #None
#0.003670 34182 505 0.0 0.001050 194200 #None
#0.004230 41308 522 0.0 0.001510 194200 #None
#0.003260 132480 468 0.0 0.000820 194200 #None
#0.003000 154200 480 0.0 0.000510 194200 #None
#0.002570 378628 467 0.0 0.000150 194200 #None
#0.002360 1270094 441 0.0 0.000070 194200 #None
#0.002260 1607532 420 0.0 0.000080 194200 #None
#0.002250 2949972 424 0.0 0.000050 194200 #None
#0.002230 8894466 424 0.0 0.000030 194200 #None
#0.002050 20000000 395 0.0 0.000000 194200 #Runout
#0.002210 20000000 417 0.0 0.000050 194200 #Runout
#Tests above are Consta Ampl from Iter 122

#Tests below are Periodic Overload
0.00154 247920 300 0 0 194200
0.0014 490962 273 0 0 194200
0.00122 1147504 237 0 0 194200
0.00111 1365900 215 0 0 194200
0.00099 3130714 192 0 0 194200
0.00093 55983004 180 0 0 194200
0.00147 2405966 286 0 0 194200
0.00133 2742678 258 0 0 194200
0.00169 1445262 329 0 0 194200


#Carbon, %= 0.1900
#Manganese, %= 0.6200
#Phosphorus, %= 0.0070
#Sulfur, %= 0.0250
#Silicon, %= 0.2400
#Copper, %= 0.1600
#Nickel, %= 1.7600
#Chromium, %= 0.5000
#Molybdenum, %= 0.2500
#Vanadium, %= 0.0040
#Columbium/Niobium, %= 0.0020
#Aluminum, %= 0.0280
#Lead, %= 0.0005
#Titanium, %= 0.0020
#Calcium, %= 0.0006
#Cobalt, %= 0.0080
#Zirconium, %= 0.0020
#Boron, %= 0.0001
#Tin, %= 0.0070
#Oxygen, ppm= 15.0000
#Nitrogen, ppm= 61.0000
#
#