SAE Standard Fatigue Data File format

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

# SAE8620 Q+T Simul. Carb. Core, Section Controlled Cooled.   HRc=32
# NOTE!: Periodic Overload tests at long life.  Axial tests.
# Gerdau Ht M27967 ElecFurnace VacDegas ConCast, Hot Roll to 24.1mm bar
# Samples austenitized at 1700F 3.5hr. lowered to 1600F 40min, Quench 140F oil
# tempered at 350F to aim for HRC=30,  Bainite, %= 75 #Martensite, %= 25
# Chem.: 0.22wt%C .83Mn .006P .023S .25Si .20C .45Ni .50Cr 
# .18Mo .003V .002Nb .027Al .0003Pb .002Ti .0007Ca .0002B .007Sn
# Inclus Rating: TypeA 2.0T 0.5H, TypeB 0.5T 0.0H TypeC=0 TypeD 1.0T 0.5H
# Hardness in gauge section varies HRc=29edge to 32middle
# POL tests initially cycled at about 0.0055 strain ampl. for 1000 cyc.
# Tested by J.Lindsey UoToledo 2010

#FileType= strain_life
#DataType= raw
#Name= SAE8620core
#Name= AISIiter.119
#Name= Simul.Core
#Units= MPa
#Sy= 693.5
#Su= 991.0
#eu= 0.075 engr. strain at Su
#E=  209100 avrg of 14 initial.  Tensile=211800
#monotonic_K= 1623.8
#monotonic_n= 0.140
#MaterialForm= bar
#%RA= 54 %
#%Elongation= 32.4 % 
#FailureDef= 50% load drop
#TrueFractureStress= 1411.
#TrueFractureStrain= 0.776
#Hardness, Brinell= 326
#Hardness, Rockwell C= 35, 27 to 33 accross section
#BHN= 326

#StrAmpl 2Nf StsAmpl So PlsStrAmpl Emod
#0.019900 380 911 -5.4 0.015550 208000 #IGL
#0.020100 436 878 -4.8 0.015930 212000 #IGL
#0.019900 530 880 -5.9 0.015760 207000 #IGL
#0.010000 2570 751 -0.9 0.006460 209000 #AKP
#0.010000 2926 746 -5.7 0.006470 212000 #AKP
#0.010000 3124 736 -5.9 0.006530 206000 #IGL
#0.004990 17690 590 19.9 0.002200 208000 #IGL
#0.005000 19162 595 9.0 0.002190 214000 #IGL
#0.005000 22636 598 -9.1 0.002180 205000 #IGL
#0.003500 65226 528 1.8 0.001010 213000 #IGL
#0.003500 66742 521 1.8 0.001040 206000 #IGL
#0.003500 67276 534 1.9 0.000980 212000 #IGL
#0.002750 183198 474 1.3 0.000510 209000 #IGL
#0.002560 481038 462 1.2 0.000380 207000 #IGL
#0.002410 683554 437 1.1 0.000350 209100 #IGL
#0.002040 10000000 424 0.9 0.000000 209100 #Runout
#0.002040 10000000 424 0.9 0.000000 209100 #Runout
#0.002040 10000000 424 0.9 0.000000 209100 #Runout
#Tests above are  Const. Ampl. from Iter.119
#A "#" as 1st char in line = comment line

#Tests below are  Periodic Overloaded
0.00192 101132 347 265 .00028 209100
0.00134 451296 259 355 .00012 209100
0.00107 2060670 208 404 .00008 209100
0.00085 6747644 167 443 .00006 209100

#Carbon, %= 0.22
#Manganese, %= 0.83
#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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