SAE Standard Fatigue Data File format

#SAE Standard Fatigue Data File format #
Pick one: #FDE_plot #FDE_fit # #
#
# SAE 1090M (GM) Hot Form-Accelerated Cooled, Austempered AISI It.10 HRc=28
# RepublicSteel:BasicOxygen, LadleRef, HotRolled 50.8mm bar, 
# Hot Formed at 2100F, Austempered,  Typical Stabilizer Bar material/process
# 95% Pearlite, 5%Bainite
# Type A inclusions of 1.5, Type B,C,D not seen.
# Tensile has upper/lower yield type curve.
# 0.88C .58Mn .002P .021S .22Si .28Cu .08Ni .14Cr .02Mo .03Va .002Ca 
# .0024B Al=lessThan .001 .001Ti 24ppm_O .003Nb 
# Test: U.Waterloo A.V-Farahani,T.Topper Sept May 1998

#FileType= strain_life
#DataType= raw
#Name= SAE1090forged
#Name= Austempered
#Name= AisiIt_10
#Stress_units= MPa
#Strain_units= strain
#Sy= 759.5
#Su= 1124.0
#eu= 0.073  engr. strain at  Su
#E= 214000
#monotonic_K= 1575.5
#monotonic_n= 0.108
#LowerYield= 759.5
#UpperYield= 772.7
#FractureStrain= 0.50
#FractureStress= 840
#%RA= 37.6
#%Elongation= 18 % over 0.3inch gauge
#MaterialForm= bar
#FailureDef= 50% load drop
#BHN= 272
#Hardness, Rockwell C= 28

#StrAmp  2Nf StsAmp  So CalcPlasStr InitialModulus
0.0100     2766 751 0.0 0.00650 219000 #None
0.0100     3046 793 0.0 0.00632 217000 #None
0.0100     3144 743 0.0 0.00654 217000 #None
0.0070     7000 710 0.0 0.00370 215000 #None
0.0070     7394 680 0.0 0.00384 215000 #None
0.0070     8630 674 0.0 0.00387 215000 #None
0.0057    11546 625 0.0 0.00279 220000 #None
0.0057    13350 615 0.0 0.00284 220000 #None
0.0057    13766 645 0.0 0.00270 220000 #None
0.0037    52700 549 0.0 0.00114 207000 #None
0.0037    55296 532 0.0 0.00122 207000 #None
0.0037    59796 551 0.0 0.00113 207000 #None
0.0032    77750 497 0.0 0.00088 220000 #None
0.0032    90000 495 0.0 0.00089 220000 #None
0.0031    97876 540 0.0 0.00068 220000 #None
0.0028   272774 505 0.0 0.00044 219000 #None
0.0026  1940920 464 0.0 0.00048 220000 #None
0.0026 10000000 441 0.0 0.00054 205000 #Runout
0.0026 10000000 434 0.0 0.00057 205000 #Runout
0.0026 10000000 462 0.0 0.00044 205000 #Runout

#Carbon, %= 0.88
#Manganese, %= 0.58
#Phosphorus, %= 0.002
#Sulfur, %= 0.021
#Silicon, %= 0.22
#Copper, %= 0.28
#Nickel, %= 0.08
#Chromium, %= 0.14
#Molybdenum, %= 0.02
#Vanadium, %= 0.03
#Columbium/Niobium, %= 0.00
#Aluminum, %= 0.001
#Titanium, %= 0.001
#Calcium, %= 0.00
#Boron, %= 0.0024
#Oxygen, ppm= 24
#
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